Granted Patent
Utility
US 4,422,652 · App. 06/369,059
Releasably retaining articles for rotation thereof
Inventors:
Alan K. Shapiro, Henry R. Siebach
Patented Case
View Patent ↗
Granted: Dec 27, 1983
Filed: Apr 16, 1982
Inventors
Alan K. Shapiro
Henry R. Siebach
Assignee (at issue)
Western Electric Company, Inc.
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.