Pocket Watch Database
Patent Archive
#3125849
Patent Information
Timer Sand Glass
Jack S. Wachtel
March 24, 1964
Patent #3125849
| Patent Number: | 3125849 |
| Description: | Timer Sand Glass |
| Inventor(s): | Jack S. Wachtel |
| Patent Date: | Mar 24, 1964 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
