GM

Gregg Marshel

VT Vapor Systems Technologies: 1 patents #1 of 3Top 35%
📍 San Tan Valley, AZ: #4 of 7 inventorsTop 60%
🗺 Arizona: #1,362 of 4,150 inventorsTop 35%
Overall (2023): #435,757 of 537,848Top 85%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11795049 Pressure/vacuum (PV) valve for fuel storage tanks, in-line pressure-vacuum valve test unit, and combination thereof Rodger P. Grantham, Douglas Alan Harty 2023-10-24