RH

Robert H. Hogrefe

AO Access Optics: 2 patents #1 of 3Top 35%
📍 Broken Arrow, OK: #10 of 48 inventorsTop 25%
🗺 Oklahoma: #132 of 1,063 inventorsTop 15%
Overall (2020): #127,895 of 565,922Top 25%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10809525 Hermetic seal and a method of assembling Thomas Mayer 2020-10-20
10524637 Endoscope coupler Thomas Mayer, John Hannam 2020-01-07