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USPTO Patent Rankings Data through Dec 31, 2025
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Robert E. Eldridge — 2 Patents

HAHughes Aircraft: 2 patents #748 of 2,963Top 30%
Los Angeles, CA: #4,907 of 12,377 inventorsTop 40%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Robert E. Eldridge has been granted 2 US patents while listed as an inventor at Hughes Aircraft. The first was granted in 1989 and the most recent in August 1990. Robert E. Eldridge ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert E. Eldridge in Los Angeles, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4953174 Preionization electrode for pulsed gas laser David B. Cohn, Wayde H. Affleck 1990-08-28
4833686 Electrodes for transversely excited gas lasers 1989-05-23