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USPTO Patent Rankings Data through Dec 31, 2025
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Edward Gershenson — 8 Patents

DGData General: 8 patents #22 of 327Top 7%
Woodbridge, CT: #58 of 239 inventorsTop 25%
Connecticut: #5,708 of 34,797 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Edward Gershenson has been granted 8 US patents while listed as an inventor at Data General. The first was granted in 1986 and the most recent in April 1989. Edward Gershenson ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Edward Gershenson in Woodbridge, CT, US.

Patents per Year

Patents granted per year, 1986 to 1989Bar chart with a peak of 4 patents in 1986.peak 41986: 4 patents19861987: 1 patents19871988: 2 patents19881989: 1 patents1989

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4825403 Apparatus guaranteeing that a controller in a disk drive system receives at least some data from an invalid track sector Louis A. Lemone, Mark C. Lippitt 1989-04-25 $3,949,000
4773004 Disk drive apparatus with hierarchical control Mark C. Lippitt 1988-09-20 $2,577,000
4733366 Apparatus for providing an interrupt signal in response to a permanent or transient power failure Joseph P. DeYesso, Louis A. Lemone, Mark C. Lippitt, John R. McDaniel, Paul F. Joseph 1988-03-22 $6,369,000
4644545 Digital encoding and decoding apparatus 1987-02-17 $4,045,000
4630269 Methods for diagnosing malfunctions in a disk drive Louis A. Lemone, Mark C. Lippitt 1986-12-16 $7,180,000
4612613 Digital data bus system for connecting a controller and disk drives Louis A. Lemone, Salvatore Faletra, Stephen A. Caldara, Mark C. Lippitt, William Braun 1986-09-16 $2,221,000
4600990 Apparatus for suspending a reserve operation in a disk drive Louis A. Lemone, Salvatore Faletra 1986-07-15 $7,630,000
4593375 Read-write processor with internal diagnostic data path 1986-06-03 $9,382,000