Granted Patent
Utility
US 5,733,487 · App. 08/656,505
Method of expanding polymeric tubing
Inventor:
Brian KIRSHNER
Patented Case
View Patent ↗
Granted: Mar 31, 1998
Filed: May 31, 1996
Inventor
Brian KIRSHNER
Assignee (at issue)
Raychem 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.