Pocket Watch Database
Patent Archive
#861521
Patent Information
Time Stamp
Walter Clyde Jones
George Elliot Perry
July 30, 1907
Patent #861521
Patent Number: | 861521 |
Description: | Time Stamp |
Inventor(s): |
Walter Clyde Jones George Elliot Perry |
Assignee: | Perry Time Stamp Co |
Patent Date: | Jul 30, 1907 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |