Granted Patent
Utility
US 4,522,435 · App. 06/453,857
Hose coupling joint
Inventors:
William P. Miller, Atul Shah
Patented Case
View Patent ↗
Granted: Jun 11, 1985
Filed: Dec 27, 1982
Inventors
William P. Miller
Atul Shah
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.