Pocket Watch Database
Patent Archive
#1990380
Patent Information
Recorder Watch Man
William J. Kleinknecht
Charles E. Whiteman
February 5, 1935
Patent #1990380
| Patent Number: | 1990380 |
| Description: | Recorder Watch Man |
| Inventor(s): |
William J. Kleinknecht Charles E. Whiteman |
| Assignee: | American District Telegraph Co |
| Patent Date: | Feb 5, 1935 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
