Granted Patent
Utility
US 5,043,834 · App. 07/486,634
Actuator locking system of disk unit
Inventors:
Masakazu Kubo, Yoshimi Masuda, Yuzo Nakagawa
Patented Case
View Patent ↗
Granted: Aug 27, 1991
Filed: Feb 27, 1990
Inventors
Masakazu Kubo
Yoshimi Masuda
Yuzo Nakagawa
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.