Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421726 | Ethylene-propylene-diene terpolymer (“EPDM”) roof shingles | Siarhei Klimkovich, Scott Stickler, James Douglas Welty, II, Patrick Michael Furlong, Leman Porter +1 more | 2025-09-23 |
| 12234649 | Ethylene-propylene-diene terpolymer (“EPDM”) roof shingles | Siarhei Klimkovich, Scott Stickler, James Douglas Welty, II, Patrick Michael Furlong, Leman Porter +1 more | 2025-02-25 |
| 4817656 | Multi-port distribution valve with gear driven rotary distribution cylinders | — | 1989-04-04 |
| 4570663 | Distribution valve with dual cams to prevent uncontrolled excursions of valve balls | Andy F. Blake | 1986-02-18 |
| 4523606 | Distribution valve | Andy F. Blake | 1985-06-18 |