Granted Patent
Utility
US 4,827,428 · App. 06/798,557
Transistor sizing system for integrated circuits
Inventors:
Alfred E. Dunlop, John Philip Fishburn
Patented Case
View Patent ↗
Granted: May 2, 1989
Filed: Nov 15, 1985
Inventors
Alfred E. Dunlop
John Philip Fishburn
Assignee (at issue)
American Telephone and Telegraph Company, AT&T Bell Laboratories
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.