Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9624049 | Puncture resistant seals for loading docks | Frank Heim, Ryan Withrow | 2017-04-18 |
| 9592972 | Sealing members for weather barriers | Charles Digmann, Charles J. Ashelin, Frank Heim, Ryan Withrow | 2017-03-14 |