IP Library › Granted Patent US 5,085,892
Granted Patent Utility
US 5,085,892 · App. 07/591,215

Laundry dryer sheet

Inventors: Raynold J. Corona, James E. Borland, Kim R. Smith
Patented Case View Patent ↗
Granted: Feb 4, 1992 Filed: Oct 1, 1990
Inventors
Raynold J. Corona
James E. Borland
Kim R. Smith
Assignee (at issue)
Ethyl Corporation

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.

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Quick Facts
Patent No.
US 5,085,892
App. No.
07/591,215
Filed
1990-10-01
Granted
1992-02-04
Kind
A