Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6034615 | Automatic revolution counting and data transmission device | John Scotchford Elliott | 2000-03-07 |
| 5524034 | Automatic revolution counting and data transmission device | John Scotchford Elliott | 1996-06-04 |