Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11236808 | Strut extender mechanism | Kenneth E. Nielsen, William O. Teach | 2022-02-01 |
| 10801593 | Strut extender mechanism | Kenneth E. Nielsen, William O. Teach | 2020-10-13 |
| 10093524 | Air pressure controller | Kenneth E. Nielsen, William O. Teach | 2018-10-09 |
| 6397420 | Manual emergency tool assembly | — | 2002-06-04 |
| 6394405 | Continuously adjustable rescue strut | Howard Leibovitz | 2002-05-28 |
| D296865 | Pneumatic rescue tool | — | 1988-07-26 |
| 4750568 | Pneumatic rescue tool | Howard Leibovitz | 1988-06-14 |
| 4570677 | Unitary multiple control valve assembly | Howard Leibovitz | 1986-02-18 |
| 4268926 | Rescue tool | — | 1981-05-26 |