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.


 
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