Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5803702 | Vision inspection system for double stacked packs | Michael J. Mullins, Barry S. Smith | 1998-09-08 |
| 5448365 | Systems for optical inspection | Gary Grollimund, Herbert Carrington Longest, Jr., Barry S. Smith | 1995-09-05 |
| 4644810 | Conical drive | John H. Francis | 1987-02-24 |
| 4515028 | Multi-speed drive | John H. Francis | 1985-05-07 |
| 4351552 | Emergency exit door latching and locking apparatus | — | 1982-09-28 |
| D264932 | Emergency exit door latch with panic bar | Joseph T. Miller | 1982-06-15 |