Pocket Watch Database
Patent Archive
#3233401
Patent Information
Clock Memorandum
Harold A. Hoffman
Julius Ellman
February 7, 1966
Patent #3233401
| Patent Number: | 3233401 |
| Description: | Clock Memorandum |
| Inventor(s): |
Harold A. Hoffman Julius Ellman |
| Patent Date: | Feb 7, 1966 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
