Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
Home › Er Fluid Developments Limited › James E. Stangroom
JS

James E. Stangroom

ELEr Fluid Developments Limited: 1 patents #1 of 1Top 100%
Overall (1994): #118,779 of 165,921Top 75%
1 Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5356269 Variable displacement pump — 1994-10-18

Nearby-Ranked Inventors

James W. Starr1
James Ross Stark1
Jack T. Stapleton1
Jack H. Stanley1
James T. Stanley1
James S. Stanfield1
James B. Stamatoff1
James C. Stallings, Jr.1
James Stallings1