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Modular articulated light curtain

09/523,406 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed March 10, 2000
Examiner STEPHONE B ALLEN
Class 250
Art Group 2878
Patent No. 6,297,498
Case Type Utility - 250/221000
Status Patented Case
Parent 60/123,994 Expired
Child 09/626,098 Patented
Child 09/866,242 Patented
Child 09/912,169 Patented
Last Updated: 6 years, 7 months ago
Date # Transaction