Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
TK

Terry Keefer — 1 Patent

MAMaxtor: 1 patents #329 of 656Top 55%
Boulder, CO: #3,211 of 5,018 inventorsTop 65%
Colorado: #24,258 of 40,980 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Terry Keefer has been granted 1 US patent while listed as an inventor at Maxtor. All of these patents were granted in 2007. Terry Keefer ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Terry Keefer in Boulder, CO, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7193807 Method and apparatus for reducing effective track width through highly skewed head angles Bruce A. Liikanen, John C. Purkett 2007-03-20