Granted Patent
Utility
US 4,862,320 · App. 07/198,644
Rack for circuit boards of an electrical system
Inventors:
William L. Schmidt, Richard E. Olson, Douglas A. Bailey
Patented Case
View Patent ↗
Granted: Aug 29, 1989
Filed: May 23, 1988
Inventors
William L. Schmidt
Richard E. Olson
Douglas A. Bailey
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.