Granted Patent
Utility
US 6,450,459 · App. 09/768,966
Pipe fastener
Inventor:
H. Nakanishi
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Jan 24, 2001
Inventor
H. Nakanishi
Assignee (at issue)
Emhart Inc.
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.