Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421726 | Ethylene-propylene-diene terpolymer (“EPDM”) roof shingles | Siarhei Klimkovich, Scott Stickler, James Douglas Welty, II, Charles M. Gould, Leman Porter +1 more | 2025-09-23 |
| 12234649 | Ethylene-propylene-diene terpolymer (“EPDM”) roof shingles | Siarhei Klimkovich, Scott Stickler, James Douglas Welty, II, Charles M. Gould, Leman Porter +1 more | 2025-02-25 |