PH

Peter H. Havstad

Ford: 4 patents #4,025 of 17,473Top 25%
📍 Livonia, MI: #383 of 1,586 inventorsTop 25%
🗺 Michigan: #22,048 of 86,293 inventorsTop 30%
Overall (All Time): #1,296,525 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
RE34336 Uncooled oilless internal combustion engine having uniform gas squeeze film lubrication Wallace R. Wade, Vemulapalli D. N. Rao 1993-08-10
5224460 Method of operating an automotive type internal combustion engine Rodney John Tabaczynski 1993-07-06
4846051 Uncooled oilless internal combustion engine having uniform gas squeeze film lubrication Wallace R. Wade, Vemulapalli D. N. Rao 1989-07-11
4446830 Method of operating an engine with a high heat of vaporization fuel Aladar O. Simko, Joseph A. Harrington 1984-05-08