Pocket Watch Database
Patent Archive
#1055798
Patent Information
Recorder Elapsed Time
Frank T. Riley
March 11, 1913
Patent #1055798
| Patent Number: | 1055798 |
| Description: | Recorder Elapsed Time |
| Inventor(s): | Frank T. Riley |
| Patent Date: | Mar 11, 1913 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
