Stephen Kulan

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Gibson, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Air pressurized chuck
- Patent number 5,746,436
- Issue date May 5, 1998
- Coburn Optical Industries, Inc.
- Stephen Kulan
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Conformal tool operating apparatus and process for an ophthalmic le...
- Patent number 5,577,950
- Issue date Nov 26, 1996
- Coburn Optical Industries, Inc.
- Kenneth L. Smith
- B24 - GRINDING POLISHING
Information Patent Grant
Apparatus for generating ophthalmic products from blanks and a meth...
- Patent number 5,485,771
- Issue date Jan 23, 1996
- Coburn Optical Industries, Inc.
- William D. Brennan
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Lens grinding method and apparatus
- Patent number 5,181,345
- Issue date Jan 26, 1993
- Coburn Optical Industries, Inc.
- Stephen Kulan
- B24 - GRINDING POLISHING