Granted Patent
Utility
US 4,658,312 · App. 06/767,671
Disk storage drive
Inventors:
Dieter Elsasser, Bernhard Schuh
Patented Case
View Patent ↗
Granted: Apr 14, 1987
Filed: Aug 21, 1985
Inventors
Dieter Elsasser
Bernhard Schuh
Assignee (at issue)
Papst Motoren GmbH & Co KG
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.