DS

David T. Schumann

TH Tk Holdings: 2 patents #94 of 284Top 35%
📍 New Baltimore, MI: #90 of 299 inventorsTop 35%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,054,691 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8783715 Gas generating system Derrick O. Kelley, Robert J. Schubert, Steven N. Grucz, Federico Moreno, Larissa D. Pfendt 2014-07-22
7712780 Gas generator with hybrid spring Wesley Pack 2010-05-11