Granted Patent
Utility
US 4,899,462 · App. 07/257,663
Lint burning clothes dryer
Inventors:
Brett J. Putnam, David H. McFadden, William P. Dowst
Patented Case
View Patent ↗
Granted: Feb 13, 1990
Filed: Oct 14, 1988
Inventors
Brett J. Putnam
David H. McFadden
William P. Dowst
Assignee (at issue)
Speed Queen 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.