Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11506207 | Portable, rotary vane vacuum pump with a quick oil change system | Gregory S. Sundheim, Thomas C. Shoemaker | 2022-11-22 |
| D377179 | Refrigerant recovery machine | Greg S. Sundheim, Michael J. Ralph, John M. Sundheim | 1997-01-07 |