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US Patent 11866078 Rail warning system and method
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Patent
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Date Filed
February 8, 2021
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Date of Patent
January 9, 2024
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Patent Application Number
17248802
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Patent Citations
US Patent 8344877 Track worker safety system
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US Patent 8423240 Wireless railroad monitoring
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US Patent 8952805 Worker's personal alarm device
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US Patent 9542852 Mass transit safety notification system and device
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US Patent 8976060 RF chirp signal propagation delay measurement
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US Patent 10179596 Rail warning system and method
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US Patent 7535369 Method and apparatus for a wireless tether system
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US Patent 7624952 Safety system for railroad personnel
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Patent Inventor Names
Peter M Bartek
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Patent Jurisdiction
United States Patent and Trademark Office
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Patent Number
11866078
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Patent Primary Examiner
Mark T. Le
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CPC Code
B61L 15/0018
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B61L 23/00
0
B61L 29/00
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B61L 15/0027
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B61L 1/02
0
B61L 23/06
0
B61L 25/026
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G08B 5/006
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G08B 6/00
0
G08G 1/005
0
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