Granted Patent
Utility
US 5,982,581 · App. 08/420,441
Disc clamp with head clearance
Inventors:
Frederick Frank Kazmierczak, Michael Kenneth Andrews, Michael John Raffetto
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Apr 10, 1995
Inventors
Frederick Frank Kazmierczak
Michael Kenneth Andrews
Michael John Raffetto
Assignee (at issue)
Seagate Technology LLC
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.