Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RA

Robert R. Abbott — 3 Patents

ATAT&T: 2 patents #7,295 of 18,772Top 40%
Scotch Plains, NJ: #200 of 466 inventorsTop 45%
New Jersey: #23,671 of 69,400 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Robert R. Abbott has been granted 3 US patents while listed as an inventor at AT&T. The first was granted in 1993 and the most recent in August 2004. Robert R. Abbott ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Robert R. Abbott in Scotch Plains, NJ, US.

Patents per Year

Patents granted per year, 1993 to 2004Bar chart with a peak of 1 patents in 1993.peak 11993: 1 patents19931999: 1 patents19992004: 1 patents2004

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6770223 Article comprising a faraday rotator that does not require a bias magnet Vincent Fratello, Steve J. Licht, Irina Mnushkina 2004-08-03
5978135 Article comprising a variable optical attenuator George W. Berkstresser, Charles D. Brandle, Jr., Vincent Fratello, Steven J. Licht 1999-11-02 $43,060,000
5217906 Method of manufacturing an article comprising an opto-electronic device William C. King 1993-06-08