Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5758540 | Retrofit device and method for altering the volumetric ratio of chambers in a fluid measuring device | W. Andrew Harvill | 1998-06-02 |
| D285577 | Coin operated cup vending machine | James R. Bristow | 1986-09-09 |