Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10590288 | Acoustically transparent sandable coating | Samuel D. Hulka, Peder J. Gulbrandsen | 2020-03-17 |
| 10577811 | Prefill tool for finishing wallboard joints | Robert H. Negri, Aaron St. James, Elliott St. James, Bernie St. James, David J. Pekarcik +2 more | 2020-03-03 |