Granted Patent
Utility
US 6,450,544 · App. 09/887,516
Combination mechanical/fusion pipe fitting
Inventors:
Allen R. Becker, Robert V. Carter, Jr.
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Jun 22, 2001
Inventors
Allen R. Becker
Robert V. Carter, Jr.
Assignee (at issue)
ZURN INDUSTRIES, 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.