Granted Patent
Utility
US 4,518,920 · App. 06/384,611
Frequency synthesizer and method
Inventors:
Andrew Warner, David A. Zlotek
Patented Case
View Patent ↗
Granted: May 21, 1985
Filed: Jun 3, 1982
Inventors
Andrew Warner
David A. Zlotek
Assignee (at issue)
Klimsch/Optronics, 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.