% Expired Patents = 40.0

Forward Citations = 246

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1 inventor (with patents filed for the assignee):

John D Fergason (5 out of 25 patents)

5 patents: Sort by Forward Citations

1. 7550698 - Light sensor arrangement for auto-darkening lenses and method (2009-06-23),

2. 7501613 - Light detecting and angle of view compensation for optical devices and method (2009-03-10),

3. 7342210 - Remote control for auto-darkening lens systems and method (2008-03-11),

4. 7161135 - Multi-stage sensor for an auto-darkening lens for use in welding and method (2007-01-09),

5. 7150047 - Indicator layout on an auto-darkening lens for use in welding (2006-12-19),

Lightswitch Safety Systems, Inc. is a leading provider of innovative safety solutions for industrial environments. With a focus on cutting-edge technology and exceptional customer service, we help companies enhance workplace safety and compliance. Our products include advanced safety monitoring systems, real-time alert systems, and comprehensive training programs. Trust Lightswitch Safety Systems to keep your workforce safe and secure.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

5 Patents

#396 in Mountain View, CA

#12,032 in California

#51,478 in US

Mountain View, CA, United States of America

Lightswitch Safety Systems, Inc.

Forward Citations = 246

1 inventor:

John D Fergason (5 out of 25 patents)

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