DW

Douglas J. Wirsing

TA Tannas: 3 patents #9 of 37Top 25%
🗺 Michigan: #27,158 of 86,293 inventorsTop 35%
Overall (All Time): #1,427,666 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10914719 Grease oxidation Theodore W. Selby, Jonathan C. Evans, Gregory C. Miiller, Calvin David Hugo, Sarah R. Nuss-Warren 2021-02-09
10823656 Instrumentation that embraces a rotational viscometer, or that has a cantilevered platform elevator and/or employs heat in one area but not another Sarah R. Nuss-Warren, Derrick D. Hilliker, Theodore W. Selby, Jonathan C. Evans, Michael T. Kelly +2 more 2020-11-03
10422783 Grease oxidation Theodore W. Selby, Jonathan C. Evans, Gregory C. Miiller, Calvin David Hugo, Sarah R. Nuss-Warren 2019-09-24