Granted Patent
Utility
US 4,692,245 · App. 06/784,292
Filter assembly with high pressure connection to collection bowl
Inventors:
John F. Church, Walter H. Stone
Patented Case
View Patent ↗
Granted: Sep 8, 1987
Filed: Oct 7, 1985
Inventors
John F. Church
Walter H. Stone
Assignee (at issue)
Parker-Hannifin Corporation
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.