Granted Patent
Utility
US 5,046,231 · App. 07/474,554
Device for mounting and dismounting rigid expandable sleeves
Inventor:
William L. Thompson
Patented Case
View Patent ↗
Granted: Sep 10, 1991
Filed: Feb 1, 1990
Inventor
William L. Thompson
Assignee (at issue)
International Composites 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.