Granted Patent
Utility
US 4,435,797 · App. 06/349,535
Optical memory system having track following and seeking capabilities
Inventors:
Der-Chang Hsieh, Edward V. LaBudde
Patented Case
View Patent ↗
Granted: Mar 6, 1984
Filed: Feb 17, 1982
Inventors
Der-Chang Hsieh
Edward V. LaBudde
Assignee (at issue)
Burroughs, 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.