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USPTO Patent Rankings Data through Dec 31, 2025
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Darryl L. Brownlow — 5 Patents

ATAT&T: 5 patents #3,621 of 18,772Top 20%
Plainfield, NJ: #41 of 175 inventorsTop 25%
New Jersey: #16,606 of 69,400 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Darryl L. Brownlow has been granted 5 US patents while listed as an inventor at AT&T. The first was granted in 1993 and the most recent in July 1998. Darryl L. Brownlow ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Darryl L. Brownlow in Plainfield, NJ, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5787213 Method and apparatus for writing Bragg gratings on strained optical fibers 1998-07-28 $86,839,000
5756165 High speed method for coating and curing optical fiber Yussuf Sultan Ali, Alex Harris, Nicholas James Levinos, Robert Clark Moore, Lloyd Shepherd 1998-05-26 $23,982,000
5473720 Method for enhancing the pullout strength of polymer-coated optical fiber Yussuf Sultan Ali, Howard Edan Katz, Valerie Jeanne Kuck, Marcia Lea Schilling, Lloyd Shepherd 1995-12-05
5402516 Optical fiber apparatus Lee L. Blyler, Jr., Daryl Inniss, James R. Petisce, Lloyd Shepherd, Carl R. Taylor 1995-03-28
5212757 Fatigue resistant optical fiber David J. DiGiovanni, Daryl Inniss 1993-05-18