John M. Smith

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Southbridge, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of making and using a rigid endoscope having a modified high...
- Patent number 5,630,784
- Issue date May 20, 1997
- Schott Fiber Optics Inc.
- Walter P. Siegmund
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Rigid endoscope having modified high refractive index tunnel rod fo...
- Patent number 5,423,312
- Issue date Jun 13, 1995
- Schott Fiber Optics, Inc.
- Walter P. Siegmund
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Endoscope connector
- Patent number 4,947,828
- Issue date Aug 14, 1990
- Schott Fiber Optics
- George J. Carpenter
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE