Granted Patent
Utility
US 4,004,685 · App. 05/232,432
Treatment of fabrics in machine dryers
Inventors:
William G. Mizuno, Iris N. Henderson
Patented Case
View Patent ↗
Granted: Jan 25, 1977
Filed: Mar 7, 1972
Inventors
William G. Mizuno
Iris N. Henderson
Assignee (at issue)
Economics Laboratory, 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.