James E. Groose — 2 Patents at Calgon

James E. Groose has been granted 2 US patents while listed as an inventor at Calgon. The first was granted in 1985 and the most recent in November 1991. James E. Groose ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list James E. Groose in Berkvam Road, PA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5063196	Chromium-free impregnated activated carbon for adsorption of toxic gases and/or vapors	David T. Doughty	1991-11-05	$7,993,000
4531953	Sublimation of amine compounds on activated carbon pore surfaces	Paul K. T. Liu	1985-07-30	$6,540,000

James E. Groose — 2 Patents

Issued Patents All Time

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