Pocket Watch Database
Patent Archive
#3501911
Patent Information
Hour Glass Electric
Bobby Sjostrom
March 24, 1970
Patent #3501911
| Patent Number: | 3501911 |
| Description: | Hour Glass Electric |
| Inventor(s): | Bobby Sjostrom |
| Patent Date: | Mar 24, 1970 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
