Granted Patent
Utility
US 4,355,914 · App. 06/145,546
Acoustic hood with glare shield
Inventor:
James Alexander
Patented Case
View Patent ↗
Granted: Oct 26, 1982
Filed: May 1, 1980
Inventor
James Alexander
Assignee (at issue)
International Business Machines 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.