RK

Rudolf Kratzer

HO Heine Optotechnik: 1 patents #22 of 39Top 60%
PC Propper Manufacturing Co.: 1 patents #13 of 21Top 65%
📍 Oberalting, DE: #1 of 1 inventorsTop 100%
Overall (All Time): #4,091,363 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4273112 Laryngoscope Helmut A. Heine, Helmut Rosenbusch 1981-06-16