David W. Durfee

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Rochester, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic voice-coil shutter drive actuation system
- Patent number 8,508,828
- Issue date Aug 13, 2013
- CVI Laser, LLC
- David W. Durfee
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC VOICE-COIL SHUTTER DRIVE ACTUATION SYSTEM
- Publication number 20110181935
- Publication date Jul 28, 2011
- CVI Melles Griot Inc.
- David W. Durfee
- G02 - OPTICS
Information Patent Application
Rotor magnet driven optical shutter assembly
- Publication number 20070172231
- Publication date Jul 26, 2007
- Melles Griot, Inc.
- David W. Durfee
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY