Granted Patent
Utility
US 6,250,864 · App. 09/699,759
Fastener with single-layered head
Inventor:
Eustathios Vassiliou
Patented Case
View Patent ↗
Granted: Jun 26, 2001
Filed: Oct 30, 2000
Inventor
Eustathios Vassiliou
Assignee (at issue)
WTPA, Incorporated
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.