Granted Patent
Utility
US 4,902,434 · App. 07/261,053
Fabric treatment
Inventor:
Lyndel D. Dickerson
Patented Case
View Patent ↗
Granted: Feb 20, 1990
Filed: Oct 21, 1988
Inventor
Lyndel D. Dickerson
Assignee (at issue)
The Drackett 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.