Granted Patent
Utility
US 4,639,802 · App. 06/624,330
Shrink ring for disk clamping
Inventors:
Jerry L. Neubauer, Laurence J. Schmidt, Steven Harry Voss
Patented Case
View Patent ↗
Granted: Jan 27, 1987
Filed: Jun 25, 1984
Inventors
Jerry L. Neubauer
Laurence J. Schmidt
Steven Harry Voss
Assignee (at issue)
International Business Machines 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.