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USPTO Patent Rankings Data through Dec 31, 2025
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Douglas Testa — 7 Patents

ISInterferon Science: 7 patents #1 of 22Top 5%
Neshanic Station, NJ: #23 of 120 inventorsTop 20%
New Jersey: #12,481 of 69,400 inventorsTop 20%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Douglas Testa has been granted 7 US patents while listed as an inventor at Interferon Science. The first was granted in 1986 and the most recent in October 1997. Douglas Testa ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Douglas Testa in Neshanic Station, NJ, US.

Patents per Year

Patents granted per year, 1986 to 1997Bar chart with a peak of 2 patents in 1987.peak 21986: 1 patents19861987: 2 patents19871990: 1 patents19901996: 2 patents19961997: 1 patents1997

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5676942 Composition containing human alpha interferon species proteins and method for use thereof Mei-June Liao, Katalin Ferencz-Biro, Abbas Rashidbaigi, Mario DiPaola 1997-10-14 $2,912,000
5516515 Separation of alpha interferon receptor proteins and antibodies therefor Laura C. Vellucci, Steven Richard Scott, Mei-June Liao 1996-05-14 $1,958,000
5503828 Alpha interferon composition and method for its production from human peripheral blood leukocytes Mei-June Liao, Katalin Ferencz-Biro, Abbas Rashidbaigi, Mario DiPaola, Manisha Padhye 1996-04-02 $1,801,000
4911908 Interferon administration vehicles Leonard F. Estis, Sean A. Evans 1990-03-27 $692,000
4710376 Topical therapeutic composition containing oxidation inhibitor system Sean A. Evans, Eva A. Terpinski 1987-12-01 $226,000
4680175 Interferon administration vehicles Leonard F. Estis, Sean A. Evans 1987-07-14 $431,000
4591557 Process and materials for producing soluble biological mediators from white blood cells Lynne D. Keyes 1986-05-27 $382,000