RD

Robert Hume Duncan

IT International Telephone And Telegraph: 2 patents #96 of 507Top 20%
TL Tioxide Specialties Limited: 2 patents #4 of 25Top 20%
DL Dorf Ketal Chemicals (India) Private Limited: 1 patents #9 of 17Top 55%
SC Sun Chemical: 1 patents #261 of 539Top 50%
📍 Memphis, TN: #262 of 1,908 inventorsTop 15%
🗺 Tennessee: #2,714 of 20,272 inventorsTop 15%
Overall (All Time): #741,165 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
8722811 Adhesion promoting compound Arran Alexander Dickon Tulloch 2014-05-13
7879771 Non-flammable, non-aqueous group IVB metal alkoxide crosslinkers and fracturing fluid compositions incorporating same Derek Vaughn, David N. Harry, Dennis A. Williams 2011-02-01
7619021 Adhesion promoting compound 2009-11-17
5821276 Printing inks containing zirconium or titanium compound 1998-10-13
5646200 Compositions containing zirconium compounds 1997-07-08
4496799 Handsfree telephone instrument using digital dial Rickey W. Kingen 1985-01-29
4406926 Telephone station circuit using digital tone generation 1983-09-27