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Mary C. Springman — 1 Patent

AMAmoco: 1 patents #610 of 1,251Top 50%
Naperville, IL: #1,865 of 3,051 inventorsTop 65%
Illinois: #49,230 of 84,256 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Mary C. Springman has been granted 1 US patent while listed as an inventor at Amoco. All of these patents were granted in 1993. Mary C. Springman ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Mary C. Springman in Naperville, IL, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5232885 Process for regenerating a spent resin hydroprocessing catalyst using a group IV metal Frederick T. Clark 1993-08-03 $63,381,000

Frequent Collaborators

Frederick T. Clark1 shared

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