Patent Documents

Date # Title Inventor Assignee
Dec 28, 1880 236,016 Clock James H. Gerry Harvard Clock Co.
Dec 28, 1880 236,017 Winding Attachments for Clocks James H. Gerry Harvard Clock Co.
Jun 15, 1886 343,629 Tandem Wind Movement Joseph H. Eastman Boston Clock Co.
Jun 15, 1886 343,947 Clock winding mechanism Joseph H. Eastman, Abraham Craig Boston Clock Co.
Apr 5, 1887 360,648 Device for letting down Boston Tandem Wind Mainsprings Charles Bickford Boston Clock Co./C. Bickford
Nov 29, 1887 374,142 Mode of Finishing Wheel Blanks Abraham Craig Boston Clock Co.
Dec 18, 1888 394,816 Remontoire for Boston Tandem Wind Movement Charles Bickford Boston Clock Co./C. Bickford  
Sep 13, 1892 482,393 Speed & Whistle Recorder for Locomotive Engines Benjamin F. Stockford Boston Clock Co./B. F. Stockford  
Jul 4. 1893 500,717 Ship's Bell Clock John S. Negus Boston Clock Co./John S. Negus
Feb 5, 1895 533,581 Clock Abraham Craig A. Craig
Oct 25, 1898 613,183 Clock Striking Mechanism George W. Adams Chelsea Clock Co./C. H. Pearson
Sep 19, 1899 633,257 Clock George W. Adams Chelsea Clock Co./C. H. Pearson
Jun 5, 1900 650,979 Ship's Bell Clock Walter K. Menns Chelsea Clock Co./C. H. Pearson
Jan 1, 1901 664,886 Ship's Bell Clock George D. McMillan Vermont Clock Co./G. D. McMillan
Dec 31, 1901 689,899 Ship's Bell Clock Case Walter K. Menns Chelsea Clock Co./C. H. Pearson
Apr 18, 1905 D037411 Design Patent M&M Base Walter E. McGraw Chelsea Clock Co.
Oct 24, 1905 D37587 Design Patent B&B Case Walter E. McGraw Chelsea Clock Co.
Dec 19, 1905 D37736 Design Patent Car Clock Case Walter E. McGraw Chelsea Clock Co.
Aug 21, 1906 D38187 Design Patent Library Case Walter E. McGraw Chelsea Clock Co.
Aug 29, 1911 1,001,668 Automatic Ship's Bell Walter K. Menns Chelsea Clock Co.
May 7, 1912 1,025,821 Device for Improving Tone of Gongs Walter E. Mcgraw Chelsea Clock Co./C. H. Pearson
Sep 10, 1912 1,037,952 Speed Indicating & Recording Device Walter K. Menns Chelsea Clock Co.
Mar 3, 1914 1,089,246 Speed Indicating & Recording Device Walter K. Menns Chelsea Clock Co.
Apr 28, 1914 1,094,582 Stem Winding & Setting Mechanism Walter K. Menns Chelsea Clock Co.
Jun 9, 1914 1,099,307 Car Clock Wind & Set Walter K. Menns Chelsea Clock Co.
Feb 17, 1920 1,331,163 Stem Wind Car Clock Walther K. Menns Chelsea Clock Co.
Oct 5, 1920 1,354,674 Recording Timepiece Walter K. Menns Boston Clock Co.(Chelsea)
Nov 30, 1920 1,360,308 Time Controlling Mechanism (gaslight) Walter K. Menns Boston Clock Co. (Chelsea)
May 11, 1926 1,583,954 Time Controlled Motor Frederick W. Bold Boston Clock Co. ( Chelsea)
Oct 28, 1930 D82389 Design Patent Outside Auto Ship's Bell Walter E. Mutz Chelsea Clock Co.
Aug 27, 1935 D96676 Design Patent for Clock Dial (radioroom) George J. King Chelsea Clock Co.
Nov 25, 1975 3,921,383 Mechanism for Tide Clock Anselm James Leone Bunker-Ramo Corporation
Jul 11, 1989 D302137 Design Patent for Quartz Clock Richard F. Leavitt Chelsea Clock Co.


 
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