Pocket Watch Database
Patent Archive
#2282209
Patent Information
Time Interval Indicate Device
William M. Jr Pepper
Philip E. Vrooman
May 5, 1942
Patent #2282209
| Patent Number: | 2282209 |
| Description: | Time Interval Indicate Device |
| Inventor(s): |
William M. Jr Pepper Philip E. Vrooman |
| Patent Date: | May 5, 1942 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
