Granted Patent
Utility
US 5,621,989 · App. 08/557,305
Steam valve seal for iron
Inventors:
Keith James Hensel, Richard Hoare
Patented Case
View Patent ↗
Granted: Apr 22, 1997
Filed: Nov 14, 1995
Inventors
Keith James Hensel
Richard Hoare
Assignee (at issue)
Sunbeam Products, 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.