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USPTO Patent Rankings Data through Dec 31, 2025
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Lenn Daugherty — 4 Patents

DGData General: 3 patents #53 of 327Top 20%
DEDigital Equipment: 1 patents #1,005 of 2,100Top 50%
Marlborough, MA: #260 of 796 inventorsTop 35%
Massachusetts: #27,912 of 88,656 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Lenn Daugherty has been granted 4 US patents while listed as an inventor at Data General. The first was granted in 1980 and the most recent in July 1992. Lenn Daugherty ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Lenn Daugherty in Marlborough, MA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5131619 Vibration isolating mount Brian J. Murphy, Michael C. Strzepa 1992-07-21 $22,774,000
4200894 Head adjustment mechanism for rigid magnetic disc memory apparatus Robert Kaseta, Sigmund Hinlein, Michael A. Feldstein, Harold Thackaberry 1980-04-29 $4,059,000
4194226 Rigid magnetic disc memory apparatus including open loop stepper-motor-driven read/write head Robert Kaseta, Sigmund Hinlein 1980-03-18 $3,878,000
4185310 Cooling apparatus for spinning magnetic disc memory apparatus Robert Kaseta, Sigmund Hinlein, David Chastain 1980-01-22 $1,782,000