Pocket Watch Database
Patent Archive
#1641343
Patent Information
Temp Indicator & Indicate Attach
James W. Maynard
September 6, 1927
Patent #1641343
| Patent Number: | 1641343 |
| Description: | Temp Indicator & Indicate Attach |
| Inventor(s): | James W. Maynard |
| Patent Date: | Sep 6, 1927 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
