Granted Patent
Utility
US 4,821,130 · App. 07/093,195
Disk extender baffles
Inventors:
Frank William Bernett, Tave Fruge
Patented Case
View Patent ↗
Granted: Apr 11, 1989
Filed: Sep 4, 1987
Inventors
Frank William Bernett
Tave Fruge
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.