Robert C. Drews

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St. Louis, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Hand-held diathermy apparatus
- Patent number 4,878,493
- Issue date Nov 7, 1989
- Ninetronix Venture I
- Eliezer Pasternak
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Ophthalmic aspirator/irrigator and cystotome
- Patent number 4,508,532
- Issue date Apr 2, 1985
- Ninetronix, Inc.
- Robert C. Drews
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE