Granted Patent
Utility
US 4,704,587 · App. 06/937,984
Crystal oscillator circuit for fast reliable start-up
Inventors:
Kenneth W. Ouyang, Karl M. J. Lofgren, Gerald W. Shearer
Patented Case
View Patent ↗
Granted: Nov 3, 1987
Filed: Dec 4, 1986
Inventors
Kenneth W. Ouyang
Karl M. J. Lofgren
Gerald W. Shearer
Assignee (at issue)
Western Digital
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.