Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8925547 | Ventilation valve for an anesthesia system | — | 2015-01-06 |
| 5071390 | Shaft with fluid transfer structure | — | 1991-12-10 |
| 5009117 | Countershaft power transmission with dowel pin and seal ring structure | James P. Ordo | 1991-04-23 |
| 4741225 | Engine and transmission housing with improved attachment | Arthur Hall, III | 1988-05-03 |
| 4563913 | Side-by-side engine and transmission assembly | James F. Hartz | 1986-01-14 |