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Mark Duron — 58 Patents

STSymbol Technologies: 48 patents #21 of 1,181Top 2%

ZTZebra Technologies: 6 patents #97 of 699Top 15%

DPD & D Gaming Patents: 1 patents #2 of 4Top 50%

PPProgressive Games Partners: 1 patents #14 of 20Top 70%

Mastic, NY: #1 of 17 inventorsTop 6%

New York: #1,472 of 115,490 inventorsTop 2%

Overall (All Time): #41,319 of 4,157,543Top 1%

58 Patents All Time

Mark Duron has been granted 58 US patents while listed as an inventor at Symbol Technologies. The first was granted in 1995 and the most recent in December 2025. Mark Duron ranks #41,319 of 4,157,543 US inventors in our database (top 0.99%). Patent records list Mark Duron in Mastic, NY, US.

Patents per Year

Issued Patents All Time

Showing 26–50 of 58 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
8400272	Method and device for improving the signal to noise ratio (SNR) of a backscatter signal received from a radio frequency identification (RFID) tag	Sean Connolly, Richard T. Knadle, Martin Strzelczyk	2013-03-19
8391804	Close proximity antenna measurement and tuning	Rehan K. Jaffri, Richard T. Knadle	2013-03-05
8315562	Method and apparatus for reducing spurious RF signals in RFID reader	Richard T. Knadle	2012-11-20
8305192	RFID reader with automatic near/far field interrogation mode switching, and related operating methods	Sean Connolly	2012-11-06
8258954	Frequency selective surface aids to the operation of RFID products	Richard T. Knadle	2012-09-04
8260384	Wearable mobile computing system	Thomas Wulff, Russell Calvarese, Shane MacGregor, David Bellows, Robert Sandler +2 more	2012-09-04
8245930	Method and apparatus for augmenting optical barcode scanner with RFID reader	David Bellows, Timothy B. Austin, LuoSheng Chen, Richard T. Knadle, Thomas Wulff	2012-08-21
8217757	Voice over RFID	Thomas Wulff, Russell Calvarese, Robert Sandler	2012-07-10
8218801	Method and system for a headset H-field/E-field canceller	Richard T. Knadle	2012-07-10
8174391	Polarized RFID antenna with spatial diversity	Robert Sandler, Carl DeGiovine, Rehan K. Jaffri	2012-05-08
8135354	Method and system for chopped antenna impedance measurements with an RFID radio	Sean Connolly, Martin Strzelczyk	2012-03-13
8077763	Full-duplex radio frequency echo cancellation	Raj Bridgelall	2011-12-13
8035335	Energy harvesting in RFID systems	Russell Calvarese, Robert Sandler, Thomas Wulff	2011-10-11
7902984	Single frequency low power RFID device	James Giebel, David Goren, Thomas Wulff, Richard T. Knadle, Christopher W. Brock	2011-03-08
7884718	Frequency selective surface aids to the operation of RFID products	Richard T. Knadle	2011-02-08
7825775	Antenna-based trigger	Daniella Strat	2010-11-02
7714697	Token passing protocol for RFID systems	Mohammad Soleimani, Victor Hugo Molina, Martin Strzelczyk, Ron Boschini, Jens Arnold +1 more	2010-05-11
7576657	Single frequency low power RFID device	James Giebel, David Goren, Thomas Wulff, Richard T. Knadle, Christopher W. Brock	2009-08-18
7551140	Low return loss rugged RFID antenna	Richard T. Knadle	2009-06-23
7546676	Method for manufacturing micro-strip antenna element	Timothy B. Austin, Richard T. Knadle	2009-06-16
7504948	Wireless rugged mobile data capture device with integrated RFID reader	Thomas Wulff, Justin Hotard, Brian Viscount, Ian Chamberlin	2009-03-17
7423606	Multi-frequency RFID apparatus and methods of reading RFID tags	Richard T. Knadle, Hal Charych, Raj Bridgelall	2008-09-09
7403120	Reverse infrastructure location system and method	Raj Bridgelall	2008-07-22
7339481	RFID tag with tunable antenna and associated reader	—	2008-03-04
7259676	Mode-diversity RFAID tag and interrogator system and method for identifying an RFAID transponder	Richard T. Knadle	2007-08-21

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