Granted Patent
Utility
US 4,761,981 · App. 07/029,320
Swaging apparatus for flaring and anchoring tubes
Inventor:
John W. Kelly
Patented Case
View Patent ↗
Granted: Aug 9, 1988
Filed: Mar 23, 1987
Inventor
John W. Kelly
Assignee (at issue)
Haskel, 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.