Granted Patent
Utility
US 5,511,404 · App. 08/248,828
Seal head for tube expansion apparatus
Inventors:
Gerrald A. Klages, Frank S. Krasnicki, Murray R. Mason
Patented Case
View Patent ↗
Granted: Apr 30, 1996
Filed: May 24, 1994
Inventors
Gerrald A. Klages
Frank S. Krasnicki
Murray R. Mason
Assignee (at issue)
TI Corporate Services Limited
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.