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John Witchel — 2 Patents

COCompuware: 2 patents #24 of 95Top 30%

San Francisco, CA: #14,470 of 26,999 inventorsTop 55%

California: #187,151 of 386,348 inventorsTop 50%

Overall (All Time): #1,709,992 of 4,157,543Top 45%

2 Patents All Time

John Witchel has been granted 2 US patents while listed as an inventor at Compuware. The first was granted in 2011 and the most recent in April 2012. John Witchel ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John Witchel in San Francisco, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
8166123	Computer system tools and method for development and testing	—	2012-04-24	$11,179,000
7882179	Computer system tools and method for development and testing	—	2011-02-01	$14,346,000

John Witchel — 2 Patents

Issued Patents All Time

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