Granted Patent
Utility
US 6,467,815 · App. 09/716,117
Fitting for installation of a nipple from the exterior of a duct and method of installation
Inventors:
Joseph M. Rich, Jeffery Goodwin, Douglas L. Allen
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Nov 17, 2000
Inventors
Joseph M. Rich
Jeffery Goodwin
Douglas L. Allen
Assignee (at issue)
Fab-Tech, 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.