SP

Stephen E. Petty

CS Columbia Gas System Service: 1 patents #1 of 5Top 20%
🗺 Ohio: #379 of 4,093 inventorsTop 10%
Overall (1994): #19,308 of 165,921Top 15%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
RE34747 Absorption refrigeration and heat pump system with defrost Bert F. Cook 1994-10-04
5339654 Heat transfer apparatus F. Bert Cook, Howard C. Meacham, Jr., Richard N. Christensen, Kevin R. McGahey 1994-08-23