Granted Patent
Utility
US 4,623,981 · App. 06/534,018
ALU with carry length detection
Inventors:
Gilbert M. Wolrich, Edward J. McLellan, Robert A. J. Yodlowski, Daniel W. Dobberpuhl
Patented Case
View Patent ↗
Granted: Nov 18, 1986
Filed: Sep 20, 1983
Inventors
Gilbert M. Wolrich
Edward J. McLellan
Robert A. J. Yodlowski
Daniel W. Dobberpuhl
Assignee (at issue)
Digital Equipment 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.