DJ

Donald L. Bartell, JR.

GI Ga Industries: 3 patents #3 of 8Top 40%
DE Dezurik: 1 patents #8 of 22Top 40%
🗺 Pennsylvania: #19,182 of 74,527 inventorsTop 30%
Overall (All Time): #1,179,487 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10323759 Check valve control unit Douglas J. Tanner, Forrest Halvorson, David G. Hildebrandt, Dennis Jay Smith, Jr., Timothy M. O'Shea 2019-06-18
8465000 Electric motor actuated stop and self-closing check valve Joseph E. Lescovich, William J. Nicholl 2013-06-18
7249748 Electric motor actuated stop and self-closing check valve Joseph E. Lescovich, William J. Nicholl 2007-07-31
6929238 Electric motor actuated stop and self-closing check valve Joseph E. Lescovich, William J. Nicholl 2005-08-16