Granted Patent
Utility
US 5,815,901 · App. 08/808,934
Apparatus for expansion forming of tubing forming of tubing
Inventors:
Murray R. Mason, Gerrald A. Klages
Patented Case
View Patent ↗
Granted: Oct 6, 1998
Filed: Feb 28, 1997
Inventors
Murray R. Mason
Gerrald A. Klages
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.