Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4755832 | Device for recording distances traveled on personal and business use | Michael P. Gulas | 1988-07-05 |
| 4547781 | Device for recording distances traveled on personal and business use | Michael P. Gulas | 1985-10-15 |