Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D652955 | Drywall corner trimming strip with beveled edge | — | 2012-01-24 |
| D616113 | Drywall corner trimming strip with center projection | — | 2010-05-18 |
| 5813179 | Drywall-trimming assembly employing perforated splice | Joseph M. Koenig, Jr., Mark Budzik | 1998-09-29 |
| 5740642 | Drywall corner-trimming assembly resisting butt-edge separation | Joseph M. Koenig, Jr., Mark Budzik | 1998-04-21 |