Patent Documents
Date | # | Title | Inventor | Assignee |
---|---|---|---|---|
Nov. 3, 1863 | US40474 | Marine Clock Improvement | Victor Giroud | New York |
Dec. 28, 1880 | US0236016 | Clock | James H. Gerry | Harvard Clock Co. |
Dec. 28, 1880 | US236017 | Winding Attachments for Clocks | James H. Gerry | Harvard Clock Co. |
Jun. 9, 1885 | USD319804 | Dial For Time Pieces (Kosmic) | Martin V.B. Ethridge | Martin V.B. Ethridge, Henry E. Waite, John Swann |
Oct. 12, 1886 | US350671 | Method of Making Spindles For Time Piece Dials (Kosmic) | Martin V.B. Ethridge | Martin V.B. Ethridge |
Jun. 15, 1886 | US343629 | Tandem Wind Movement | Joseph H. Eastman | Boston Clock Co. |
Jun. 15, 1886 | US343947 | Clock winding mechanism | Joseph H. Eastman, Abraham Craig | Boston Clock Co. |
Apr. 5, 1887 | US360648 | Device for letting down Boston Tandem Wind Mainsprings | Charles Bickford | Boston Clock Co./C. Bickford |
Nov. 29, 1887 | US374142 | Mode of Finishing Wheel Blanks | Abraham Craig | Boston Clock Co. |
Dec. 18, 1888 | US394816 | Remontoire for Boston Tandem Wind Movement | Charles Bickford | Boston Clock Co./C. Bickford |
Sep. 13, 1892 | US482393 | Speed & Whistle Recorder for Locomotive Engines | Benjamin F. Stockford | Boston Clock Co./B. F. Stockford |
Jul. 4, 1893 | US500717 | Ship's Bell Clock | John S. Negus | Boston Clock Co./John S. Negus |
Jan. 23, 1894 | US513469 | Electric Clock System | James H. Gerry/F. M. Schmidt | Self-winding Clock Co. |
Feb. 5, 1895 | US533581 | Clock | Abraham Craig | A. Craig |
Apr. 2, 1895 | US536926 | Electric Clock Winding System | M.V.B. Etheridge & J.H. Eastman | Century Clock Co., Berkwick, Maine |
Oct. 25, 1898 | US613183 | Clock Striking Mechanism | George W. Adams | Chelsea Clock Co./C. H. Pearson |
Sep. 19, 1899 | US633257 | Clock | George W. Adams | Chelsea Clock Co./C. H. Pearson |
Jun. 5, 1900 | US650979 | Ship's Bell Clock | Walter K. Menns | Chelsea Clock Co./C. H. Pearson |
Jan. 1, 1901 | US664886 | Ship's Bell Clock | George D. McMillan | Vermont Clock Co./G. D. McMillan |
Dec. 24, 1901 | US689530 | Clock | George W. Adams | Chelsea Clock Co./C. H. Pearson |
Dec. 31, 1901 | US689899 | Ship's Bell Clock Case | Walter K. Menns | Chelsea Clock Co./C. H. Pearson |
Jan. 28, 1902 | US691887 | Clock | G. W. Adams | G. W. Adams |
Aug. 25, 1903 | US736918 | Angelus Clock | G. W. Adams | G. W. Adams |
Apr. 18, 1905 | USD37411 | Design Patent M&M Base | Walter E. McGraw | Chelsea Clock Co. |
Oct. 24, 1905 | USD37587 | Design Patent B&B Case | Walter E. McGraw | Chelsea Clock Co. |
Dec. 19, 1905 | USD37736 | Design Patent Car Clock Case | Walter E. McGraw | Chelsea Clock Co. |
Aug. 21, 1906 | USD38187 | Design Patent Library Case | Walter E. McGraw | Chelsea Clock Co. |
Jun. 8, 1909 | US923991 | Clock Case | W. E. McGraw | W. E. McGraw |
Aug. 29, 1911 | US1001668 | Automatic Ship's Bell | Walter K. Menns | Chelsea Clock Co. |
May 7, 1912 | US1025821 | Device for Improving Tone of Gongs | Walter E. Mcgraw | Chelsea Clock Co./C. H. Pearson |
Sep. 10, 1912 | US1037952 | Speed Indicating & Recording Device | Walter K. Menns | Chelsea Clock Co. |
Mar. 11, 1913 | US1055776 | Self Winding Electric Clock | Walter K. Menns | Walter K. Menns |
Nov. 18, 1913 | US1078867 | Vibration Recorder | W. E. McGraw | Boston Clock Co. |
March 3, 1914 | US1089246 | Speed Indicating & Recording Device | Walter K. Menns | Chelsea Clock Co. |
Apr. 28, 1914 | US1094582 | Stem Winding & Setting Mechanism | Walter K. Menns | Chelsea Clock Co. |
Jun. 9, 1914 | US1099307 | Car Clock Wind & Set | Walter K. Menns | Chelsea Clock Co. |
Feb. 17, 1920 | US1331163 | Stem Wind Car Clock | Walter K. Menns | Chelsea Clock Co. |
Oct. 5, 1920 | US1354674 | Recording Timepiece | Walter K. Menns | Boston Clock Co.(Chelsea) |
Nov. 30, 1920 | US1360308 | Time Controlling Mechanism (gaslight) | Walter K. Menns | Boston Clock Co. (Chelsea) |
Oct. 13, 1925 | 1556907 | Spring Regulator | Frederick W. Bolt | C. H. Pearson |
May 11, 1926 | US1583954 | Time Controlled Motor | Frederick W. Bolt | Boston Clock Co. (Chelsea) |
Aug. 21, 1928 | 1681390 | Time Fuse for Aerial Bombs | Frederick W. Bolt | C. H. Pearson |
Oct. 7, 1930 | US1777547 | Mechanical Time Fuse | Frederick W. Bolt | Chelsea Clock Co. |
Oct. 28, 1930 | USD82389 | Design Patent Outside Auto Ship's Bell | Walter E. Mutz | Chelsea Clock Co. |
Aug. 27, 1935 | USD96676 | Design Patent for Clock Dial (radioroom) | George J. King | Chelsea Clock Co. |
Nov. 25, 1975 | US3921383 | Mechanism for Tide Clock | Anselm James Leone | Bunker-Ramo Corporation |
Jul. 11, 1989 | USD302137 | Design Patent for Quartz Clock | Richard F. Leavitt | Chelsea Clock Co. |