DM

David C. May

3M: 22 patents #578 of 11,543Top 6%
Ncr: 13 patents #88 of 2,952Top 3%
DP Dell Products: 2 patents #2,475 of 6,820Top 40%
LM Lockheed Martin: 2 patents #1,600 of 6,507Top 25%
AL Agresearch Limited: 1 patents #167 of 547Top 35%
Nortel Networks Limited: 1 patents #2,518 of 5,294Top 50%
RTX (Raytheon): 1 patents #8,248 of 15,912Top 55%
Overall (All Time): #60,029 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 25 most recent of 47 patents

Patent #TitleCo-InventorsDate
12406563 Smart surveillance system for swimming pools Ramy R. Gali, Phillip E. Matar 2025-09-02
10964187 Smart surveillance system for swimming pools Ramy R. Gali, Phillip E. Matar 2021-03-30
9875379 System and method for providing user-accessible card slot Charles D. Hood, III 2018-01-23
9837001 Signage overlay article Sithya S. Khieu 2017-12-05
9396365 System and method for providing user-accessible card slot Charles D. Hood, III 2016-07-19
8624624 Power isolation during sensitive operations Burton Wolfe 2014-01-07
8525545 Power isolation during sensitive operations Burton Wolfe 2013-09-03
8176685 Protective sheet made from a blend of ethylene vinyl acetate (EVA) and polyethylene (PE) 2012-05-15
RE40729 Liquid pavement marking compositions Mark D. Purgett, Mark D. Zender, Daniel J. Willie, Tom R. Borden 2009-06-09
7401736 Card reader 2008-07-22
RE40088 Liquid pavement marking compositions Mark D. Purgett, Mark D. Zender, Daniel J. Willie, Tom R. Borden 2008-02-19
6790880 Liquid pavement marking compositions Mark D. Purgett, Mark D. Zender, Daniel J. Willie, Thomas R. Borden 2004-09-14
6761310 Card reader 2004-07-13
6588659 Card reader module 2003-07-08
6511259 Particle dispenser with fluid assist to control particle velocity for use on a moving vehicle Sithya S. Khieu, Mark D. Zender, John L. Marty 2003-01-28
6491216 Security system 2002-12-10
6460771 Motorized card reader module 2002-10-08
6451874 Liquid pavement marking compositions Mark D. Purgett, Mark D. Zender, Daniel J. Willie, Thomas R. Borden 2002-09-17
6422475 Self-service terminal 2002-07-23
6357657 Anti-fraud device 2002-03-19
6292480 Electronic communications manager 2001-09-18
6166106 Liquid pavement marking compositions Mark D. Purgett, Mark D. Zender, Daniel J. Willie, Thomas R. Borden 2000-12-26
6126360 Raised retroreflective pavement marker Sithya S. Khieu, Cristina U. Thomas, Warren J. Johnson, Ronald W. Gerdes, David J. Lundin 2000-10-03
6000620 Magnetic card reader 1999-12-14
5984179 Card reader/writer with pivoting read/write contact head 1999-11-16