Granted Patent
Utility
US 4,498,372 · App. 06/564,727
Pump with ring retained floating wrist pins and connecting rods
Inventor:
Ramon Pareja
Patented Case
View Patent ↗
Granted: Feb 12, 1985
Filed: Dec 23, 1983
Inventor
Ramon Pareja
Assignee (at issue)
Lear Siegler, Inc.
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.