Roger D. Key has been granted 4 US patents while listed as an inventor at E-Systems . The first was granted in 1994 and the most recent in June 2001. Roger D. Key ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Roger D. Key in Greenville, TX, US.
Patents per Year Patents granted per year, 1994 to 2001 Bar chart with a peak of 1 patents in 1994. peak 1 1994: 1 patents 1994 1997: 1 patents 1997 1998: 1 patents 1998 2001: 1 patents 2001
Issued Patents All Time
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Showing 1–4 of 4 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
6248504 Method for manufacturing fiber-reinforced parts utilizing stereolithography tooling Stan W. Thomas , Kyle G. Fluegel , Willie K. Jackson , Keith D. Elwell , Gary L. White 2001-06-19
$41,291,000
5845065 Network license compliance apparatus and method Brian Conte , Christine Hui 1998-12-01
5603797 Flexible reinforced rubber part manufacturing process utilizing stereolithography tooling Stan W. Thomas , Willie K. Jackson , Gary L. White , Keith D. Elwell , Kyle G. Fluegel 1997-02-18
5296335 Method for manufacturing fiber-reinforced parts utilizing stereolithography tooling Stan W. Thomas , Kyle G. Fluegel , Willie K. Jackson , Keith D. Elwell , Gary L. White 1994-03-22
$8,038,000
