Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5363707 | Headspace sampling system | Paul B. Crilly, Steven J. Engel, Kimber D. Fogelman | 1994-11-15 |
| 4847474 | Method and apparatus for reading a bar code | Steven J. Engel, Lesley M. Freed, Charles T. Coffey, Paul C. Dryden | 1989-07-11 |