Pocket Watch Database
Patent Archive
#1944592
Patent Information
Clock Alternate Direct Current Second Rectifier
James W. Bryce
January 23, 1934
Patent #1944592
| Patent Number: | 1944592 |
| Description: | Clock Alternate Direct Current Second Rectifier |
| Inventor(s): | James W. Bryce |
| Assignee: | Ibm Corp |
| Patent Date: | Jan 23, 1934 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
