Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10047524 | Drywal corner trim material with adhesive | — | 2018-08-14 |
| 9388582 | Drywall corner trim material with adhesive | — | 2016-07-12 |
| 9377160 | Drywall finishing material with twin-hinge construction | Douglas Wambaugh | 2016-06-28 |
| 8793949 | Drywall finishing system | — | 2014-08-05 |
| 8511016 | Boxable drywall corner bead | — | 2013-08-20 |
| 8402913 | Drywall mud hopper for inside and outside corners | — | 2013-03-26 |
| 8393376 | Drywall trim auto-folder, mastic applicator and cutter | — | 2013-03-12 |
| 8046963 | Expandable drywall corner piece | Douglass Wambaugh | 2011-11-01 |
| 7981227 | Flex trim container with handles | — | 2011-07-19 |
| 7959978 | Drywall mud hopper for inside and outside corners | — | 2011-06-14 |
| 7958923 | Drywall trim auto-folder, mastic applicator and cutter | — | 2011-06-14 |
| 7823617 | Spring powered sliding drywall taping tool with auto cutter | Douglas Wambaugh | 2010-11-02 |
| 7673428 | Boxable mesh adhesive drywall corner trim | — | 2010-03-09 |
| 7645352 | Box dispenser | Douglass Wambaugh, Michael Lorenzen | 2010-01-12 |
| 7325582 | Drywall bazooka for application of flexible corner bead | Douglas Wambaugh | 2008-02-05 |
| 7220317 | Drywall mud hopper for inside and outside corners | — | 2007-05-22 |
| 7165373 | Drywall finishing system | — | 2007-01-23 |
| 6779313 | Boxable drywall corner bead | — | 2004-08-24 |
| 6615557 | Break apart drywall finishing system | — | 2003-09-09 |
| 6502358 | Drywall finishing outside corner end-caps | — | 2003-01-07 |
| 6450232 | Drywall finishing roller and edge finisher | — | 2002-09-17 |
| 6148573 | Non coatable drywall finishing system | — | 2000-11-21 |
| 5893246 | Adjustable prefabricated 3-way inside drywall corner | — | 1999-04-13 |
| 5644892 | Pre-fabricated 3-way inside drywall corner | — | 1997-07-08 |