John Hamaker — 2 Patents at Microsoft

John Hamaker has been granted 2 US patents while listed as an inventor at Microsoft. The first was granted in 1983 and the most recent in November 2010. John Hamaker ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John Hamaker in Potterville, MI, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7844456	Grammar confusability metric for speech recognition	Qin Cai	2010-11-30	$23,766,000
4373264	Inertial guide and support means for sabre saws	—	1983-02-15

John Hamaker — 2 Patents

Issued Patents All Time

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