Granted Patent
Utility
US 6,055,140 · App. 09/064,641
Rigid disc plastic substrate with high stiffness insert
Inventor:
Bruno Marchon
Patented Case
View Patent ↗
Granted: Apr 25, 2000
Filed: Apr 22, 1998
Inventor
Bruno Marchon
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.