Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
AT

AT&T — 37,920 Patents

Rank (All Time): #21 of 106,127Top 1%
18,772 inventors
37,920 Patents All Time

Top Inventors at AT&T All Time

Showing 5,951–6,000 of 18,772 inventors

RankNamePatents
#5550 Fredrick Grizmala 3
#5550 Frank C. LaPorta 3
#5550 Francois Llirbat 3
#5550 Francis LoVasco 3
#5550 Frank Mitchals 3
#5550 Frank Obernosterer 3
#5550 Fredrick G. Randall 3
#5550 Frederick A. Rosebrock 3
#5550 Fred E. Silverstein 3
#5550 Frederick A. Stevie 3
#5550 Frank P. Tuhy, Jr. 3
#5550 G. Keith Cambron 3
#5550 Gabriela M. Abramovici 3
#5550 Gary Dean Bainbridge 3
#5550 Gaurav Banga 3
#5550 Gary E. Carver 3
#5550 Gary Casagrande 3
#5550 Gary L. Dorst 3
#5550 Gary Grant Fenchel 3
#5550 Gary Gressel 3
#5550 Diane Didio 3
#5550 Gary Marr 3
#5550 Gary Whiton Pearson 3
#5550 Gary Reser 3
#5550 Gabriel Gary Schlanger 3
#5550 Gary M. Selzer 3
#5550 Gautam Singh 3
#5550 Gary A. Smith 3
#5550 Gabriel Valdez 3
#5550 Gary Robert Weber 3
#5550 Gary L. Wolk 3
#5550 Gal ZOLKOVER 3
#5550 George Alto 3
#5550 Geert Arnout Awater 3
#5550 Gerardo Beni 3
#5550 George W. Berkstresser 3
#5550 George Theodore Dangelmayer 3
#5550 Georg K. Karawas 3
#5550 Gerald Joseph Kersus 3
#5550 George A. Kopacz 3
#5550 Gerhard Kramer 3
#5550 George Thomas LaMar 3
#5550 George Mattackal 3
#5550 Gerasimos Potamianos 3
#5550 George L. Ricardo 3
#5550 Geoffrey R. Scheller 3
#5550 George Sultana 3
#5550 Geoffrey W. Taylor 3
#5550 George G. Zipfel, Jr. 3
#5550 George I. Zysman 3