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Robert E. Tatnall — 2 Patents

BRBio-Technical Resources: 1 patents #10 of 25Top 40%
Chadds Ford, PA: #115 of 258 inventorsTop 45%
Pennsylvania: #30,766 of 74,527 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Robert E. Tatnall has been granted 2 US patents while listed as an inventor at Bio-Technical Resources. The first was granted in 1996 and the most recent in July 1999. Robert E. Tatnall ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert E. Tatnall in Chadds Ford, PA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5925251 Chemically treated filters — 1999-07-20
5500368 Finely divided anthraquinone formulations as inhibitors of sulfide production from sulfate-reducing bacteria — 1996-03-19

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