Pocket Watch Database
Patent Archive
#1091786
Patent Information
Recorder Card Gate
Henry Abbott
March 31, 1914
Patent #1091786
| Patent Number: | 1091786 |
| Description: | Recorder Card Gate |
| Inventor(s): | Henry Abbott |
| Assignee: | Calculagraph Co |
| Patent Date: | Mar 31, 1914 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
