Granted Patent
Utility
US 6,317,292 · App. 09/268,141
PTFE fiber based liner for flexible high density magnetic media
Inventors:
Fred Charles Thomas, III, Yiping Ma
Patented Case
View Patent ↗
Granted: Nov 13, 2001
Filed: Mar 12, 1999
Inventors
Fred Charles Thomas, III
Yiping Ma
Assignee (at issue)
IO-Mega Holding 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.