Robert C. Drews

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Clayton, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Corneal rivet
- Patent number 5,258,011
- Issue date Nov 2, 1993
- Robert C. Drews
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Intraocular lens with reinforcing element
- Patent number 5,180,390
- Issue date Jan 19, 1993
- Robert C. Drews
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Corneal rivet
- Patent number 4,935,028
- Issue date Jun 19, 1990
- Robert C. Drews
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
To and fro washing system and method
- Patent number 4,817,599
- Issue date Apr 4, 1989
- Robert C. Drews
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Apparatus for plugging an intraocular lens hole
- Patent number 4,764,170
- Issue date Aug 16, 1988
- Robert C. Drews
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Microwave oven toaster
- Patent number 4,748,308
- Issue date May 31, 1988
- Robert C. Drews
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...