Granted Patent
Utility
US 4,849,711 · App. 07/093,810
Automatic gain control system
Inventors:
Michael D. Leis, Roy Gustafson
Patented Case
View Patent ↗
Granted: Jul 18, 1989
Filed: Sep 4, 1987
Inventors
Michael D. Leis
Roy Gustafson
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.