RL

Ralph C. Longsworth

SA Sumitomo (Shi) Cryogenics Of America: 2 patents #1 of 6Top 20%
📍 Allentown, PA: #18 of 104 inventorsTop 20%
🗺 Pennsylvania: #1,116 of 7,685 inventorsTop 15%
Overall (2021): #120,955 of 548,734Top 25%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11149992 Dual helium compressors Eric Seitz, Stephen Dunn 2021-10-19
11137181 Gas balanced engine with buffer 2021-10-05