Granted Patent
Utility
US 5,257,525 · App. 07/903,613
Portable slim-line hose fitting crimper
Inventor:
John-Paul Clarke
Patented Case
View Patent ↗
Granted: Nov 2, 1993
Filed: Jun 24, 1992
Inventor
John-Paul Clarke
Assignee (at issue)
ATCO Products, 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.