Granted Patent
Utility
US 5,602,821 · App. 08/552,468
Double picker drive multiplexing mechanism
Inventors:
Robert J. McPherson, William R. Lynn
Patented Case
View Patent ↗
Granted: Feb 11, 1997
Filed: Nov 9, 1995
Inventors
Robert J. McPherson
William R. Lynn
Assignee (at issue)
International Data Engineering, 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.