Gregory Leman has been granted 4 US patents while listed as an inventor at Cabot . The first was granted in 1993 and the most recent in November 2012. Gregory Leman ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Gregory Leman in Savoy, IL, US.
Patents per Year Patents granted per year, 1993 to 2012 Bar chart with a peak of 1 patents in 1993. peak 1 1993: 1 patents 1993 1994: 1 patents 1994 2011: 1 patents 2011 2012: 1 patents 2012
Issued Patents All Time
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Showing 1–4 of 4 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
8318656 Production processes and systems, compositions, surfactants, monomer units, metal complexes, phosphate esters, glycols, aqueous film forming foams, and foam stabilizers Janet Boggs , Stephan Brandstadter , John Chien , Vimal Sharma , E. Bradley Edwards +4 more 2012-11-27
$9,785,000
7943567 Production processes and systems, compositions, surfactants, monomer units, metal complexes, phosphate esters, glycols, aqueous film forming foams, and foam stabilizers Janet Boggs , Stephan Brandstadter , John Chien , Vimal Sharma , E. Bradley Edwards +4 more 2011-05-17
$11,150,000
5348163 Method and apparatus for separating fine particles Donald E. Tunison, III , Stephanie E. Church , Carl L. Troike, Jr. 1994-09-20
$4,663,000
5242668 Process and device for reducing free halogens in residual gasses — 1993-09-07
$2,709,000