Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12073352 | Courier delivery service | Ahmed Wahba, Karl P. Wickizer | 2024-08-27 |
| 11790309 | Courier delivery service | Ahmed Wahba, Karl P. Wickizer | 2023-10-17 |
| D429672 | Air scoop assembly | Stuart Miyagishma, Charles W. Maier | 2000-08-22 |
| 5124534 | Heating coil support and insulation mechanism | Donald G. Leeman | 1992-06-23 |
| 5107918 | Electronic thermostat | William McFarlane, Robert C. Beilfuss | 1992-04-28 |
| 4340202 | Four way valve | David P. Hargraves, Jude A. Pauli | 1982-07-20 |
| 4239177 | Electrically operated valve with balanced port design | Bernard L. Kunz | 1980-12-16 |
| 4202373 | Four way valve | David P. Hargraves, Jude A. Pauli | 1980-05-13 |