Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12241541 | PTO lubrication system for hybrid vehicles | Joseph Thomas Dalum, William C. Mammen, Jr. | 2025-03-04 |
| 11898629 | PTO lubrication system for hybrid vehicles | Joseph Thomas Dalum, William C. Mammen, Jr. | 2024-02-13 |
| 11598408 | PTO lubrication system for hybrid vehicles | Joseph Thomas Dalum, William C. Mammen, Jr. | 2023-03-07 |
| 10781910 | PTO lubrication system for hybrid vehicles | Joseph Thomas Dalum, William C. Mammen, Jr. | 2020-09-22 |