DW

Derrell J. Weldy

PL Placor: 6 patents #1 of 4Top 25%
UN Unknown: 4 patents #4,220 of 83,584Top 6%
Overall (All Time): #457,655 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10293350 Spray apparatus Mark Hamilton 2019-05-21
9962719 Spray apparatus Mark Hamilton 2018-05-08
9303416 Spray apparatus Mark Hamilton 2016-04-05
7111811 Hopper stand 2006-09-26
6907908 Hopper apparatus and method for application of joint compound to corner beads 2005-06-21
D501050 Three way; 2-90° outside, 1-135° inside, bullnose corner Lewis J. Hein, Michael D. Weldy 2005-01-18
D487520 Three way; 2-90° outside, 1-90° inside, bullnose corner Lewis J. Hein, Michael D. Weldy 2004-03-09
D487156 Three way; 2-90° inside, 1-135° outside, bullnose corner Lewis J. Hein, Michael D. Weldy 2004-02-24
D486920 Three way; 1-90° outside, 2-90° inside, bullnose corner Lewis J. Hein, Michael D. Weldy 2004-02-17
RE34547 Wall board joint reinforcing system 1994-02-15
5086598 Wall board joint reinforcing system 1992-02-11