Granted Patent
Utility
US 5,106,145 · App. 07/648,278
Convertible stack system
Inventor:
George A. Corder
Patented Case
View Patent ↗
Granted: Apr 21, 1992
Filed: Jan 31, 1991
Inventor
George A. Corder
Assignee (at issue)
ASC REGENITY 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.