Robert Spence — 3 Patents at Qsigma

Robert Spence has been granted 3 US patents while listed as an inventor at Qsigma. The first was granted in 1985 and the most recent in May 2010. Robert Spence ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Robert Spence in Escondido, CA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
7715789	Method and apparatus mechanically providing and/or using modulated audio effects into the interior of human flesh	Song Park, Earle Jennings, John Larsen	2010-05-11
7617268	Method and apparatus supporting non-additive calculations in graphics accelerators and digital signal processors	Earle Jennings, George Landers	2009-11-10
4534522	Spool retaining device	—	1985-08-13

Robert Spence — 3 Patents

Issued Patents All Time

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