Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5739442 | Method for monitoring conditions of objects including edge detecting and travel direction reversing steps | David Paul Schweitzer | 1998-04-14 |
| 5618999 | Apparatus and method for monitoring condition of objects | David Paul Schweitzer | 1997-04-08 |