Fritz R. Kruis

Follow

Person

Tulsa, OK, US

People

Patents Grantslast 30 patents

Information Patent Grant
Gauge for and method of calibrating a lens cutting/grinding machine
- Patent number 6,071,176
- Issue date Jun 6, 2000
- Gerber Coburn Optical, Inc.
- Fritz R. Kruis
- B24 - GRINDING POLISHING
Information Patent Grant
Pneumatically assisted unidirectional arcuate diaphragm conformal tool
- Patent number 5,928,063
- Issue date Jul 27, 1999
- Coburn Optical Industries, Inc.
- Michael D. James
- B24 - GRINDING POLISHING
Information Patent Grant
Pneumatically assisted conformal tool for an ophthalmic lens finer/...
- Patent number 5,762,546
- Issue date Jun 9, 1998
- Coburn Optical Industries, Inc.
- Michael D. James
- B24 - GRINDING POLISHING
Information Patent Grant
Pneumatically assisted unidirectional conformal tool
- Patent number 5,662,518
- Issue date Sep 2, 1997
- Coburn Optical Industries, Inc.
- Michael D. James
- B24 - GRINDING POLISHING