Pocket Watch Database
Patent Archive
#2369338
Patent Information
Clock & Watch Bearing & Precise Tmepiece
Chester A. Carlson
William R. Butler
February 13, 1945
Patent #2369338
| Patent Number: | 2369338 |
| Description: | Clock & Watch Bearing & Precise Tmepiece |
| Inventor(s): |
Chester A. Carlson William R. Butler |
| Assignee: | Aluminum Co Of America |
| Patent Date: | Feb 13, 1945 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
