Pocket Watch Database
Patent Archive
#1263554
Patent Information
Time Control Mech
William H. Greenleaf
April 23, 1918
Patent #1263554
| Patent Number: | 1263554 |
| Description: | Time Control Mech |
| Inventor(s): | William H. Greenleaf |
| Patent Date: | Apr 23, 1918 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
