Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12034685 | E-mail testing and rendering platform | — | 2024-07-09 |
| 11922113 | Systems, methods, and devices for e-mail rendering | — | 2024-03-05 |
| 11881936 | E-mail testing and rendering platform | — | 2024-01-23 |
| 11761210 | Shingles with a thick appearance | Lawrence J. Grubka, Douglas S. Penrod, William Edwin Smith, Jacob Paul Honsvick | 2023-09-19 |
| 11021876 | Shingles with a thick appearance | Lawrence J. Grubka, Douglas S. Penrod, William Edwin Smith, Jacob Paul Honsvick | 2021-06-01 |
| 11019009 | E-mail testing and rendering platform | — | 2021-05-25 |
| 10829936 | Hip and ridge shingle | Lawrence J. Grubka, Christina Marie Wise | 2020-11-10 |
| 9097020 | Hip and ridge roofing shingle | Lawrence J. Grubka, Mike J. Kuklock | 2015-08-04 |
| 8713883 | Shingle with impact resistant layer | — | 2014-05-06 |