Granted Patent
Utility
US 4,848,213 · App. 07/142,097
Reciprocating piston compressor with offset cylinder
Inventors:
Mark W. Wood, Mark E. Charpie, Ralph Wisniewski
Patented Case
View Patent ↗
Granted: Jul 18, 1989
Filed: Jan 11, 1988
Inventors
Mark W. Wood
Mark E. Charpie
Ralph Wisniewski
Assignee (at issue)
The DeVilbiss 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.