Granted Patent
Utility
US 4,906,410 · App. 07/262,502
Fabric softener composition for automatic laundry dryer applications
Inventors:
Philip M. Lacke, Jean-Michel FINK
Patented Case
View Patent ↗
Granted: Mar 6, 1990
Filed: Sep 9, 1988
Inventors
Philip M. Lacke
Jean-Michel FINK
Assignee (at issue)
Sherex Chemical Co., 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.