Pocket Watch Database

Patent Archive
#496162

Patent Information

Watch Cannon Pinion

William B. Learned

April 25, 1893

Patent #496162
Manufacturer:E. Howard Watch & Clock Co.
Patent Number:496162
Description:Watch Cannon Pinion
Inventor(s): William B. Learned
Assignee:E Howard Watch & Clock Co
Patent Date:Apr 25, 1893
Registration Type:Patent
External Research:https://www.google.c…
Patent Document:  PDF