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Inventor
ROSENBUSCH HELMUT
DE
7 patents
⚠️ This page may combine multiple inventors who share the name “ROSENBUSCH HELMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PROPPER MFG CO INC
3 patents
US5223863A
Jun 29, 1993
Binocular ophthalmoscope with tilting mirror
PROPPER MFG CO INC
44 citations
92
US4681413A
Jul 21, 1987
Headband with optical device adjustably coupled thereto
PROPPER MFG CO INC
40 citations
92
US4684227A
Aug 4, 1987
Binocular indirect ophthalmoscope
PROPPER MFG CO INC
24 citations
81
HEINE OPTOTECH KG
2 patents
US5196964A
Mar 23, 1993
Magnifier
HEINE OPTOTECH KG
11 citations
73
US4166677A
Sep 4, 1979
Illumination system for indirect ophthalmoscope
HEINE OPTOTECH KG
4 citations
61
HEINE OPTOTECH GMBH CO KG
1 patent
US5333018A
Jul 26, 1994
Binocular ophthalmoscope
HEINE OPTOTECH GMBH CO KG
17 citations
71
PROPPER MANUFACTURING CO LTD
1 patent
US4963014A
Oct 16, 1990
Ophthalmoscope
PROPPER MANUFACTURING CO LTD
10 citations
68