Pocket Watch Database
Patent Archive
#378339
Patent Information
Watch Non Magnetic Display
Alfred C. Smith
February 21, 1888
Patent #378339
| Patent Number: | 378339 |
| Description: | Watch Non Magnetic Display |
| Inventor(s): | Alfred C. Smith |
| Patent Date: | Feb 21, 1888 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
