Ralph W. Thomas — 9 Patents at Semitool

Ralph W. Thomas has been granted 9 US patents while listed as an inventor at Semitool. The first was granted in 1994 and the most recent in November 2025. Ralph W. Thomas ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Ralph W. Thomas in Las Vegas, NV, US.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12469360	Gaming systems and methods including feature for transforming non-randomly generated outcome into entertainment gaming outcome	Andrew John Cardno, Daniel Cardno, Ralph Thomas	2025-11-11
12374188	Entertainment gaming machine based on non-random outcomes	Andrew John Cardno, Daniel Cardno, Ralph Joseph Thomas	2025-07-29
11887431	Gaming systems and methods including feature for transforming non-randomly generated outcome into entertainment gaming outcome	Andrew John Cardno, Daniel Cardno, Ralph Joseph Thomas	2024-01-30
11670133	Entertainment gaming machine based on non-random outcomes	Andrew John Cardno, Daniel Cardno, Ralph Joseph Thomas	2023-06-06
11308754	Gaming systems and methods including feature for transforming non-randomly generated outcome into entertainment gaming outcome	Andrew John Cardno, Daniel Cardno, Ralph Joseph Thomas	2022-04-19
11094163	Entertainment gaming machine based on non-random outcomes	Andrew John Cardno, Daniel Cardno, Ralph Joseph Thomas	2021-08-17
6622398	Method of ozone conversion in semiconductor manufacturing	—	2003-09-23	$1,573,000
6408535	Ozone conversion in semiconductor manufacturing	—	2002-06-25	$1,205,000
5369262	Electronic stylus type optical reader	Paul Dvorkis, David Goren, Robert James Fuller, Leonard H. Goldner	1994-11-29	$2,073,000

Ralph W. Thomas — 9 Patents

Issued Patents All Time

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