Pocket Watch Database
Patent Archive
#2720077
Patent Information
Shock Proof Bearing
Ernst Stein
October 11, 1955
Patent #2720077
| Patent Number: | 2720077 |
| Description: | Shock Proof Bearing |
| Inventor(s): | Ernst Stein |
| Patent Date: | Oct 11, 1955 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
