Douglas C. Mark

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Tigard, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Sample holder for an optical element
- Patent number 7,746,465
- Issue date Jun 29, 2010
- Hinds Instruments, Inc.
- Douglas C. Mark
- G01 - MEASURING TESTING
Information Patent Grant
Purging light beam paths in optical equipment
- Patent number 7,016,039
- Issue date Mar 21, 2006
- Hinds Instruments, Inc.
- Andrew O. Breninger
- G01 - MEASURING TESTING
Information Patent Grant
Birefringence measurement of large-format samples
- Patent number 6,992,758
- Issue date Jan 31, 2006
- Hinds Instruments, Inc.
- Andrew D. Kaplan
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Sample Holder for an Optical Element
- Publication number 20080174773
- Publication date Jul 24, 2008
- Hinds Instruments Inc.
- Douglas C. Mark
- G01 - MEASURING TESTING
Information Patent Application
Purging light beam paths in optical equipment
- Publication number 20040156049
- Publication date Aug 12, 2004
- Hinds Instruments, Inc.
- Andrew H. Breninger
- G02 - OPTICS
Information Patent Application
Birefringence measurement of large-format samples
- Publication number 20040075834
- Publication date Apr 22, 2004
- Hinds Instruments, Inc.
- Andrew D. Kaplan
- G01 - MEASURING TESTING