Granted Patent
Utility
US 4,846,051 · App. 07/159,614
Uncooled oilless internal combustion engine having uniform gas squeeze film lubrication
Inventors:
Wallace R. Wade, Vemulapalli D. N. Rao, Peter H. Havstad
Patented Case
View Patent ↗
Granted: Jul 11, 1989
Filed: Feb 23, 1988
Inventors
Wallace R. Wade
Vemulapalli D. N. Rao
Peter H. Havstad
Assignee (at issue)
Ford Motor Company
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.