Granted Patent
Utility
US 4,017,988 · App. 05/674,636
Self-cleaning steam iron
Inventor:
James P. Coggiola
Patented Case
View Patent ↗
Granted: Apr 19, 1977
Filed: Apr 7, 1976
Inventor
James P. Coggiola
Assignee (at issue)
General Electric Company
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.