Granted Patent
Utility
US 4,649,963 · App. 06/825,181
Ultra-high pressure hose assembly
Inventors:
Chidambaram Raghavan, John H. Olsen
Patented Case
View Patent ↗
Granted: Mar 17, 1987
Filed: Jan 31, 1986
Inventors
Chidambaram Raghavan
John H. Olsen
Assignee (at issue)
Flow Industries, Ltd.
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.