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Enter the serial number from the pocket watch movement below. Do not use the case number. Serial Number Tip

Pocket Watch Serial Number Lookup - Hamilton, South Bend, Illinois, Rockford, Waltham & Elgin Pocket Watches
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Illinois Pocket Watch Patents

The following gallery contains patents that were issued or assigned to Illinois or individuals known to be working for the company at the time. Not all designs were fully implemented into production.

Watch Construction

Patent Number:108332
Description:Watch Construction
Inventor:Daniel G. Currier
Patent Date:Oct 18, 1870
Patent Type:Improvement

Watch Reversible Pinion

Patent Number:131208
Description:Watch Reversible Pinion
Inventor:John K. Bigelow
Assignee:Springfield Watch Co
Patent Date:Sep 10, 1872
Patent Type:Improvement

Watch Stem Wind & Set

Patent Number:206674
Description:Watch Stem Wind & Set
Inventor:Otis Hoyt
Assignee:Illinois Springfield Watch Co
Patent Date:Aug 6, 1878
Patent Type:Improvement

Machine For Ruling Dial

Patent Number:312227
Description:Machine For Ruling Dial
Inventor:Ryland L. Taft
Assignee:Illinois Watch Co
Patent Date:Feb 10, 1885
Patent Type:Improvement

Watch Stem Wind & Set

Patent Number:330273
Description:Watch Stem Wind & Set
Inventor:Ryland L. Taft
Assignee:Illinois Watch Co
Patent Date:Nov 10, 1885
Patent Type:Improvement

Watch Device Let Down Main Spring

Patent Number:340386
Description:Watch Device Let Down Main Spring
Inventor:Ryland L. Taft
Assignee:Illinois Watch Co
Patent Date:Apr 20, 1886
Patent Type:Improvement

Watch Stem Wind & Set Mech

Patent Number:345193
Description:Watch Stem Wind & Set Mech
Inventor:Ryland L. Taft
Assignee:Illinois Watch Co
Patent Date:Jul 6, 1886
Patent Type:Improvement

Watch Stem Wind

Patent Number:706656
Description:Watch Stem Wind
Inventor:Charles T. Higginbotham
Assignee:Illinois Watch Co
Patent Date:Aug 12, 1902
Patent Type:Improvement

Watch Barrel Safety

Patent Number:804727
Description:Watch Barrel Safety
Inventor:George F. Johnson
Assignee:Illinois Watch Co
Patent Date:Nov 14, 1905
Patent Type:Improvement

Watch Barrel

Patent Number:804728
Description:Watch Barrel
Inventor:George F. Johnson
Assignee:Illinois Watch Co
Patent Date:Nov 14, 1905
Patent Type:Improvement

Watch Pendent Set

Patent Number:1007292
Description:Watch Pendent Set
Inventor:George F. Johnson
Assignee:Illinois Watch Co
Patent Date:Oct 31, 1911
Patent Type:Improvement

Watch Main Spring

Patent Number:1283476
Description:Watch Main Spring
Inventor:Charles E. DeLong
Assignee:Illinois Watch Co
Patent Date:Nov 5, 1918
Patent Type:Improvement

Watch Stem

Patent Number:1292269
Description:Watch Stem
Inventor:Charles E. DeLong
Assignee:Illinois Watch Co
Patent Date:Jan 21, 1919
Patent Type:Improvement

Watch Escape Lever

Patent Number:1327226
Description:Watch Escape Lever
Inventor:Charles E. DeLong
Assignee:Illinois Watch Co
Patent Date:Jan 6, 1920
Patent Type:Improvement