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USPTO Patent Rankings Data through Dec 31, 2025
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Gregory A. Cantrell — 3 Patents

E-E-Systems: 3 patents #22 of 229Top 10%
Mesquite, TX: #55 of 236 inventorsTop 25%
Texas: #41,402 of 125,132 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Gregory A. Cantrell has been granted 3 US patents while listed as an inventor at E-Systems. The first was granted in 1992 and the most recent in June 1997. Gregory A. Cantrell ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Gregory A. Cantrell in Mesquite, TX, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5642264 Apparatus for supporting circuit cards in slot locations 1997-06-24
5252782 Apparatus for providing RFI/EMI isolation between adjacent circuit areas on a single circuit board Paul V. Marshall, David L. Parks 1993-10-12 $8,120,000
5172306 Adaptive card mounting system 1992-12-15 $8,014,000