Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5332194 | Fluid flow controller | George K. Austin, Jr., Sandor Johannes | 1994-07-26 |
| 5000608 | Adjustable mechanism | — | 1991-03-19 |
| 4881766 | Lock mechanism | Alfred J. Peirish | 1989-11-21 |
| 4872286 | External latch structure for locking a door in different positions | Alfred J. Peirish, William C. Thomas | 1989-10-10 |
| 4307475 | Vacuum cuspidor | — | 1981-12-29 |
| D258007 | Dental cuspidor | — | 1981-01-20 |