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%
📍 The Villages, FL: #3 of 66 inventorsTop 5%
🗺 Florida: #622 of 67,251 inventorsTop 1%
Overall (All Time): #60,029 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 26–47 of 47 patents

Patent #TitleCo-InventorsDate
5929426 Magnetic card sensor for sensing presence of a card having a magnetic stripe and thickness complying with ISO standard 1999-07-27
5835271 Encased retroreflective elements and method for making Larry K. Stump, Thomas V. Kusilek, Terry R. Bailey, Louis C. Belisle 1998-11-10
5828043 Card reader system including an invalidating device Kenneth A. Nicoll, Robert Suttie, Alexander W. Logie 1998-10-27
5816305 Protective cover having a non-woven absorbent layer 1998-10-06
5774265 Durable retroreflective elements James P. Mathers, Chris J. Goodbrake, Kathleen A. Hachey, Thomas P. Hedblom, Kathleen M. Humpal +3 more 1998-06-30
5760380 Shutter mechanism for card controlled self-service transaction terminal 1998-06-02
5721420 Shutter control mechanism 1998-02-24
5677050 Retroreflective sheeting having an abrasion resistant ceramer coating Zayn Bilkadi 1997-10-14
5667335 Fiber reinforced raised pavement marker and method of making Sithya S. Khieu 1997-09-16
5571362 Method for making retroreflective article with dual reflectors Kathleen A. Hachey, Thomas P. Hedblom 1996-11-05
5417515 Retroreflective article with dual reflector Kathleen A. Hachey, Thomas P. Hedblom 1995-05-23
5391015 Pavement markers with silicone adhesive James M. Kaczmarczik, James E. Lasch, Gregory F. Jacobs, Daniel J. Willie 1995-02-21
5310278 Pavement markers with silicone adhesive James M. Kaczmarczik, James E. Lasch, Gregory F. Jacobs, Daniel J. Willie 1994-05-10
D311704 Pavement marker 1990-10-30
4875798 Retroreflective pavement marker 1989-10-24
4719621 Packet fastbus 1988-01-12
4648689 Pavement marking tape 1987-03-10
4626127 Elastomeric pavement marker 1986-12-02
4534673 Elastomeric pavement marker 1985-08-13
4521129 Elastomeric pavement marker having improved configuration Thomas Krech 1985-06-04
4418110 Vapor-permeable retroreflective sheeting Terry R. Bailey 1983-11-29
4348397 Probenecid-dyphylline therapy Charles Jarboe 1982-09-07