Granted Patent
Utility
US 4,609,340 · App. 06/768,585
Accumulator head with diverter sleeve
Inventors:
Christopher Irwin, Rudolf H. Poehlsen
Patented Case
View Patent ↗
Granted: Sep 2, 1986
Filed: Aug 23, 1985
Inventors
Christopher Irwin
Rudolf H. Poehlsen
Assignee (at issue)
Hoover Universal, 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.