Granted Patent
Utility
US 5,900,194 · App. 08/753,646
Method for removing mandrels from composite tubes of substantial length
Inventor:
Clint Ashton
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: Dec 27, 1996
Inventor
Clint Ashton
Assignee (at issue)
Wasatch Technologies Corporation
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.