Coho Holdings LLC

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Lexington, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Random texture anti-reflection optical surface treatment
- Patent number 8,187,481
- Issue date May 29, 2012
- CoHo Holdings, LLC
- Douglas S. Hobbs
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Actively stabilized, single input beam, interference lithography sy...
- Patent number 7,304,775
- Issue date Dec 4, 2007
- CoHo Holdings, LLC
- Douglas S. Hobbs
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical wavelength resonant device for chemical sensing
- Patent number 6,870,624
- Issue date Mar 22, 2005
- Coho Holdings LLC
- Douglas S. Hobbs
- G02 - OPTICS
Information Patent Grant
Optical device for filtering and sensing
- Patent number 6,791,757
- Issue date Sep 14, 2004
- CoHo Holdings, LLC
- Douglas S. Hobbs
- G02 - OPTICS
Information Patent Grant
Electro-optic device allowing wavelength tuning
- Patent number 6,707,518
- Issue date Mar 16, 2004
- CoHo Holdings, LLC
- James J. Cowan
- G02 - OPTICS

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