Pocket Watch Database
Patent Archive
#1860353
Patent Information
Clock Nickel
John O. Simpson
Elof L. Carlson
May 31, 1932
Patent #1860353
| Patent Number: | 1860353 |
| Description: | Clock Nickel |
| Inventor(s): |
John O. Simpson Elof L. Carlson |
| Assignee: | E Ingraham Co |
| Patent Date: | May 31, 1932 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
