Granted Patent
Utility
US 4,855,690 · App. 07/265,732
Integrated circuit random number generator using sampled output of variable frequency oscillator
Inventor:
Donald R. Dias
Patented Case
View Patent ↗
Granted: Aug 8, 1989
Filed: Nov 1, 1988
Inventor
Donald R. Dias
Assignee (at issue)
Dallas Semiconductor 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.