Granted Patent
Utility
US 5,787,721 · App. 08/984,725
Easily removable drain pan and funnel arrangement
Inventors:
Dale E. Fromm, Dwayne L. Johnson
Patented Case
View Patent ↗
Granted: Aug 4, 1998
Filed: Dec 4, 1997
Inventors
Dale E. Fromm
Dwayne L. Johnson
Assignee (at issue)
American Standard 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.