Granted Patent
Utility
US 5,300,898 · App. 07/921,157
High speed current/voltage controlled ring oscillator circuit
Inventors:
Dao-Long Chen, Robert D. Waldron
Patented Case
View Patent ↗
Granted: Apr 5, 1994
Filed: Jul 29, 1992
Inventors
Dao-Long Chen
Robert D. Waldron
Assignee (at issue)
NCR 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.