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For the Inventor, By the Inventor

Wilmerding, PA, United States of America

Westinghouse Air Brake


USPTO Granted Patents = 1

Forward Citations = 15

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1 inventor (with patents filed for the assignee):

goldMedal Philip J Calamatas (1 out of 8 patents)


1 patent:

1. 6452353 - System for detection of obstructions in a motorized door system (2002-09-17),
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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#8 in Wilmerding, PA

#4,874 in Pennsylvania

#133,781 in US

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Wilmerding, PA, United States of America

Westinghouse Air Brake

Forward Citations = 15

1 inventor:

goldMedal Philip J Calamatas (1 out of 8 patents)

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