Hartwick; David J.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hartwick; David J..The latest application filed is for "systems and methods for cards and devices operable to communicate via light pulsing".

Company Profile

1.12.4

Hartwick; David J. - Aliquippa PA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Systems And Methods For Cards And Devices Operable To Communicate Via Light Pulsing App 20210374720 - Mullen; Jeffrey D. ; et al.	2021-12-02
Systems and methods for cards and devices operable to communicate via light pulsing Grant 11,120,427 - Mullen , et al. September 14, 2	2021-09-14
Systems And Methods For Cards And Devices Operable To Communicate To Touch Sensitive Displays App 20200082383 - Mullen; Jeffrey D. ; et al.	2020-03-12
Systems and methods for cards and devices operable to communicate to touch sensitive displays Grant 10,504,105 - Mullen , et al. Dec	2019-12-10
Systems and methods for waveform generation for dynamic magnetic stripe communications devices Grant 8,827,153 - Rhoades , et al. September 9, 2	2014-09-09
Interactive display card Grant D676,904 - Mullen , et al. February 26, 2	2013-02-26
Interactive display card Grant D670,331 - Mullen , et al. November 6, 2	2012-11-06
Interactive card Grant D670,330 - Mullen , et al. November 6, 2	2012-11-06
Interactive display card Grant D670,329 - Mullen , et al. November 6, 2	2012-11-06
Interactive card Grant D670,332 - Mullen , et al. November 6, 2	2012-11-06
Systems And Methods For Cards And Devices Operable To Communicate To Touch Sensitive Displays App 20110284632 - Mullen; Jeffrey D. ; et al.	2011-11-24
Systems And Methods For Cards And Devices Operable To Communicate Via Light Pulsing App 20110284640 - Mullen; Jeffrey D. ; et al.	2011-11-24

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