Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10988645 | Non-flammable contact adhesive | Daniel Charles Purvis, II, David A. Altenberg, Kenneth Pechal | 2021-04-27 |
| 10883025 | Non-flammable contact adhesive | Daniel Charles Purvis, II, David A. Altenberg, Kenneth Pechal | 2021-01-05 |