Granted Patent
Utility
US 5,455,542 · App. 08/155,500
Symmetrical clock crystal oscillator circuit
Inventors:
John R. Spence, Rajiv Gupta, Ming Zhang
Patented Case
View Patent ↗
Granted: Oct 3, 1995
Filed: Nov 22, 1993
Inventors
John R. Spence
Rajiv Gupta
Ming Zhang
Assignee (at issue)
Rockwell International 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.