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USPTO Patent Rankings Data through Dec 31, 2025
TG

Timothy Grinstead — 2 Patents

APAptalis Pharmatech: 1 patents #8 of 16Top 50%
SLSoil Machine Dynamics Limited: 1 patents #5 of 7Top 75%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Timothy Grinstead has been granted 2 US patents while listed as an inventor at Aptalis Pharmatech. The first was granted in 1986 and the most recent in March 2012. Timothy Grinstead ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Timothy Grinstead in Ovingham, OH, GB.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8137734 Preparation of controlled release skeletal muscle relaxant dosage forms Gopi M. Venkatesh, James M. Clevenger 2012-03-20
4585372 Pipeline plough with lifting assemblies Alan R. Reece 1986-04-29