RG

Richard J. Grogan

HC Helm Instrument Co.: 3 patents #2 of 10Top 20%
📍 Toledo, OH: #273 of 1,470 inventorsTop 20%
🗺 Ohio: #15,837 of 73,341 inventorsTop 25%
Overall (All Time): #949,491 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11820471 Watercraft storage structure 2023-11-21
11498648 Watercraft storage structure 2022-11-15
5402689 Nonthreaded load sensing probe 1995-04-04
5214967 Cylindrical piezoelectric load sensor 1993-06-01
4766758 Method of measuring strain forces in a press Mark Lucas, Robert L. Wagner, Richard T. Wilhelm 1988-08-30