Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6267538 | Beam joining cap for trench shield | — | 2001-07-31 |
| 5358153 | Mixing lid including a pouring device for containers used on stirring machines | Francis A. Heckendorf, Jr., Leslie Jones, Patrick William Powell | 1994-10-25 |
| D344466 | Control unit for an alarm system | Evaline L. Caldwell | 1994-02-22 |
| 4631018 | Plate, foam and screen filament quenching apparatus | Ramunas L. Valteris | 1986-12-23 |