LIGHTSWITCH SAFETY SYSTEMS, INC.

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Mountain View, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Light sensor arrangement for auto-darkening lenses and method
- Patent number 7,550,698
- Issue date Jun 23, 2009
- LightSwitch Safety Systems, Inc.
- John D. Fergason
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Light detecting and angle of view compensation for optical devices...
- Patent number 7,501,613
- Issue date Mar 10, 2009
- LightSwitch Safety Systems, Inc.
- John D. Fergason
- G01 - MEASURING TESTING
Information Patent Grant
Remote control for auto-darkening lens systems and method
- Patent number 7,342,210
- Issue date Mar 11, 2008
- LightSwitch Safety Systems, Inc.
- John D. Fergason
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Multi-stage sensor for an auto-darkening lens for use in welding an...
- Patent number 7,161,135
- Issue date Jan 9, 2007
- LightSwitch Safety Systems, Inc.
- John D. Fergason
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Indicator layout on an auto-darkening lens for use in welding
- Patent number 7,150,047
- Issue date Dec 19, 2006
- LightSwitch Safety Systems, Inc.
- John D. Fergason
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
BIFOCAL MAGNIFIER PLATE FOR USE IN WELDING
- Publication number 20070089215
- Publication date Apr 26, 2007
- LIGHTSWITCH SAFETY SYSTEMS, INC.
- Barton A. Biche
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Trademarklast 30 trademarks