Donald E. Hendrix — 7 Patents at AT&T

Donald E. Hendrix has been granted 7 US patents while listed as an inventor at AT&T. The first was granted in 1990 and the most recent in June 2025. Donald E. Hendrix ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Donald E. Hendrix in Mill Creek, WA, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12341804	Secure browsing via a transparent network proxy	Paul Giura, Jeffrey E. Bickford, Howard F. Shirokmann, Thomas Anschutz, Ching-Chih Shih	2025-06-24
11516246	Secure browsing via a transparent network proxy	Paul Giura, Jeffrey E. Bickford, Howard F. Shirokmann, Thomas Anschutz, Ching-Chih Shih	2022-11-29	$182,111,000
10868826	Secure browsing via a transparent network proxy	Paul Giura, Jeffrey E. Bickford, Howard F. Shirokmann, Thomas Anschutz, Ching-Chih Shih	2020-12-15	$513,556,000
10200403	Secure browsing via a transparent network proxy	Paul Giura, Jeffrey E. Bickford, Howard F. Shirokmann, Thomas Anschutz, Ching-Chih Shih	2019-02-05	$31,256,000
9882928	Secure browsing via a transparent network proxy	Paul Giura, Jeffrey E. Bickford, Howard F. Shirokmann, Thomas Anschutz, Ching-Chih Shih	2018-01-30	$42,626,000
9537885	Secure browsing via a transparent network proxy	Paul Giura, Jeffrey E. Bickford, Howard F. Shirokmann, Thomas Anschutz, Ching-Chih Shih	2017-01-03	$28,648,000
4978909	Demodulation circuit for AC motor current spectral analysis	Stephen F. Smith	1990-12-18	$12,797,000

Donald E. Hendrix — 7 Patents

Issued Patents All Time

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