Pocket Watch Database
Patent Archive
#3403312
Patent Information
Circuitry For Timekeeping Instruments
Klaus A. Sparing
September 24, 1968
Patent #3403312
Patent Number: | 3403312 |
Description: | Circuitry For Timekeeping Instruments |
Inventor(s): | Klaus A. Sparing |
Assignee: | United States Time Corp |
Patent Date: | Sep 24, 1968 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |