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USPTO Patent Rankings Data through Dec 31, 2025
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Donald A. Colbert — 2 Patents

RERepligen: 2 patents #31 of 102Top 35%
Bedford, MA: #407 of 774 inventorsTop 55%
Massachusetts: #42,563 of 88,656 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Donald A. Colbert has been granted 2 US patents while listed as an inventor at Repligen. All of these patents were granted in 1992. Donald A. Colbert ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Donald A. Colbert in Bedford, MA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5151350 Cloned genes encoding recombinant protein A Algis Anilionis 1992-09-29 $2,369,000
5110905 Activated Bacillus thuringienses delta-endotoxin produced by an engineered hybrid gene Daniel P. Witt, Algis Anilionis 1992-05-05 $2,894,000