William J. Buttermore

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Chesterfield, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Illuminated intraocular surgical instrument
- Patent number 5,716,320
- Issue date Feb 10, 1998
- William J. Buttermore
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Phacoemulsification transducer with rotatable handle
- Patent number 5,162,044
- Issue date Nov 10, 1992
- Storz Instrument Company
- Gerald S. Gahn
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE