Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Inventors › Nicholas Efthyvoulos
NE

Nicholas Efthyvoulos — 2 Patents

Gladewater, TX: #10 of 36 inventorsTop 30%
Texas: #52,941 of 125,132 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Nicholas Efthyvoulos has been granted 2 US patents. The first was granted in 1989 and the most recent in March 1990. Nicholas Efthyvoulos ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Nicholas Efthyvoulos in Gladewater, TX, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4907260 Telephone line communications control system John R. Prohs, Charles G. Akins, Phillip E. Sandilands, Michael R. Scheid 1990-03-06
4837799 Telephone line communications control system John R. Prohs, Charles G. Akins, Phillip E. Sandilands, Michael R. Scheid 1989-06-06

Frequent Collaborators

John R. Prohs2 shared
Charles G. Akins2 shared
Phillip E. Sandilands2 shared
Michael R. Scheid2 shared

Nearby-Ranked Inventors

Leonard Mattheis2
Yiqi SHI2
Roberto DiCecco2
Haoneng Xu2
Emily Chew2
So Young Bae2
Julian Alexander Georgi2
Yoshihiro Asahara2
Assaf Ariel2