Granted Patent
Utility
US 6,178,981 · App. 09/505,923
Universal-fit replacement flange and handle set
Inventor:
Michael Wales
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Feb 17, 2000
Inventor
Michael Wales
Assignee (at issue)
Resources Conservation, 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.