Granted Patent
Utility
US 4,306,740 · App. 06/137,165
Hose clamp structure and hose construction employing same
Inventors:
Donald L. Kleykamp, Steven G. McCord, William J. LiVolsi, Raymond L. Trueblood
Patented Case
View Patent ↗
Granted: Dec 22, 1981
Filed: Apr 4, 1980
Inventors
Donald L. Kleykamp
Steven G. McCord
William J. LiVolsi
Raymond L. Trueblood
Assignee (at issue)
DayCo Holdings, LP
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.