Granted Patent
Utility
US 4,754,447 · App. 07/007,535
Multidisk spindle
Inventor:
Glen J. VanSant
Patented Case
View Patent ↗
Granted: Jun 28, 1988
Filed: Jan 28, 1987
Inventor
Glen J. VanSant
Assignee (at issue)
RCA 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.