Granted Patent
Utility
US 4,242,063 · App. 06/048,021
High pressure multi-cylinder pump
Inventor:
Ramon Pareja
Patented Case
View Patent ↗
Granted: Dec 30, 1980
Filed: Jun 13, 1979
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.