RS

Robert R. Hellman, Sr.

📍 Oxford, CT: #3 of 19 inventorsTop 20%
🗺 Connecticut: #213 of 2,265 inventorsTop 10%
Overall (1994): #21,436 of 165,921Top 15%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5320331 Method and apparatus for forming corrugations in tubing and a corrugated tube produced thereby 1994-06-14
5302789 Snap switch having low resistance Stephen B. Barrey 1994-04-12