David J. Hartwick has been granted 10 US patents while listed as an inventor at Dynamics . The first was granted in 2000 and the most recent in September 2021. David J. Hartwick ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list David J. Hartwick in Aliquippa, PA, US.
Patents per Year Patents granted per year, 2000 to 2021 Bar chart with a peak of 4 patents in 2012. peak 4 2000: 1 patents 2000 2012: 4 patents 2012 2013: 1 patents 2013 2014: 1 patents 2014 2015: 1 patents 2015 2019: 1 patents 2019 2021: 1 patents 2021
Issued Patents All Time
Profile Widget
Showing 1–10 of 10 patents
Patent # Title Co-Inventors Date
11120427
Systems and methods for cards and devices operable to communicate via light pulsing
Jeffrey D. Mullen , Christopher J. Rigatti , Philip W. Yen
2021-09-14
10504105
Systems and methods for cards and devices operable to communicate to touch sensitive displays
Jeffrey D. Mullen
2019-12-10
9064195
Multiple layer card circuit boards
Gautam Batra
2015-06-23
8827153
Systems and methods for waveform generation for dynamic magnetic stripe communications devices
Randy L. Rhoades
2014-09-09
D676904
Interactive display card
Jeffrey D. Mullen , L. Casimir Mostowy, Jr.
2013-02-26
D670329
Interactive display card
Jeffrey D. Mullen , L. Casimir Mostowy, Jr.
2012-11-06
D670330
Interactive card
Jeffrey D. Mullen , L. Casimir Mostowy, Jr.
2012-11-06
D670331
Interactive display card
Jeffrey D. Mullen , L. Casimir Mostowy, Jr.
2012-11-06
D670332
Interactive card
Jeffrey D. Mullen , L. Casimir Mostowy, Jr.
2012-11-06
6080983
Synchronous detection system for multichannel infrared spectroscopy
Augustyn Waczynski , Mark L. Hendrickson
2000-06-27