Pocket Watch Database
Patent Archive
#2251021
Patent Information
Hr Hand Device
Lawrence E. Nebergall
July 29, 1941
Patent #2251021
| Patent Number: | 2251021 |
| Description: | Hr Hand Device |
| Inventor(s): | Lawrence E. Nebergall |
| Patent Date: | Jul 29, 1941 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
