Granted Patent
Utility
US 4,509,159 · App. 06/447,128
Aluminum-aluminum oxide stylus arm
Inventors:
George Alexandrovich, Sr., J. Raymond Edinger, Alan Hofer, John Kuykendall
Patented Case
View Patent ↗
Granted: Apr 2, 1985
Filed: Dec 6, 1982
Inventors
George Alexandrovich, Sr.
J. Raymond Edinger
Alan Hofer
John Kuykendall
Assignee (at issue)
Pickering Associates, 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.