Pocket Watch Database
Patent Archive
#2229428
Patent Information
Pivot Bearing Precision Instrument
Henri Thiebaud
January 21, 1941
Patent #2229428
| Manufacturer: | Gruen Watch Co. |
| Patent Number: | 2229428 |
| Description: | Pivot Bearing Precision Instrument |
| Inventor(s): | Henri Thiebaud |
| Assignee: | Gruen Watch Co |
| Patent Date: | Jan 21, 1941 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
