Pocket Watch Database
Patent Archive
#2381833
Patent Information
Surfacing Machine
Ralph B. Mentzer
August 7, 1945
Patent #2381833
| Manufacturer: | Hamilton |
| Patent Number: | 2381833 |
| Description: | Surfacing Machine |
| Inventor(s): | Ralph B. Mentzer |
| Assignee: | Hamilton Watch Co |
| Patent Date: | Aug 7, 1945 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
