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John Pfeiffer — 2 Patents

GE: 1 patents #19,940 of 36,430Top 55%

Keyano, CA: #601 of 1,768 inventorsTop 35%

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

2 Patents All Time

John Pfeiffer has been granted 2 US patents while listed as an inventor at GE. The first was granted in 1996 and the most recent in February 2012. John Pfeiffer ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John Pfeiffer in Keyano, QC, CA.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
8112170	Method and system for machining process control	Paul A. Domas, Richard G. Menzies, Joseph C. Kulesa, James A. Worachek, Walter D. Howard	2012-02-07	$40,219,000
5543702	Alkaline battery charging method and battery charger	—	1996-08-06

John Pfeiffer — 2 Patents

Issued Patents All Time

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