JR

John Walker Ross

VB Vacuum Barrier: 2 patents #3 of 7Top 45%
📍 Ipswich, MA: #104 of 208 inventorsTop 50%
🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%
Overall (All Time): #1,769,823 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12031680 Controlled dosing of liquid cryogen Erik Robert Showers, David Tucker 2024-07-09
5743096 Controlled dosing of liquid cryogen Russell W. Blanton, Thorton Stearns 1998-04-28