Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12085181 | Dual poppet pressure relief valve with vacuum adaptor capability | Don Christensen | 2024-09-10 |
| 11703139 | Dual poppet pressure relief valve with vacuum adaptor capability | Don Christensen | 2023-07-18 |
| 11473685 | Dual poppet pressure relief valve with vacuum adaptor capability | Don Christensen | 2022-10-18 |
| 10818155 | Child in vehicle detector | Carol Staninger, Andrew W. Oravecz, Richard Paul Spehr, Suzanne Spehr | 2020-10-27 |
| 10615548 | Safety power connector | Steven Pink, Andrew W. Oravecz, Richard Paul Spehr, Suzanne Spehr, Jason Mastroprieto | 2020-04-07 |
| 10424182 | Child in vehicle detector | Carol Staninger, Andrew W. Oravecz, Richard Paul Spehr, Suzanne Spehr | 2019-09-24 |
| 9732868 | High reliability pressure relief valve | John Bertoldi, Joseph Schimek, III | 2017-08-15 |
| 8312608 | System and method for toilet unit installation and removal | — | 2012-11-20 |