Patents/Assignees

Amtech Systems, LLC

9 patents in portfolio

US12505322utility2025
Vehicle Tracking System Using Smart-phone as Active Transponder
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US12483870utility2025
Vehicle Tracking System Using Smart-phone as Active Transponder
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US12437285utility2025
Vehicle Tracking System for Congestion Pricing Using Transponders
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US12069552utility2024
Vehicle Tracking System Using Smart-phone as Active Transponder
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US12056566utility2024
Vehicle Tracking System Using Transponders
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US12015969utility2024
Vehicle Tracking System Using Smart-phone as Active Transponder
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US11836569utility2023
Vehicle Tracking System Using Smart-phone as Active Transponder
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US11663427utility2023
Vehicle Tracking System Using Transponders
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US8344886utility2013
RFID Vehicle Tag with Manually Adjustable Data Fields
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