Granted Patent
Utility
US 5,343,589 · App. 08/053,110
Lobby dust pan
Inventor:
Robert A. Davenport
Patented Case
View Patent ↗
Granted: Sep 6, 1994
Filed: Apr 26, 1993
Inventor
Robert A. Davenport
Assignee (at issue)
IMPACT PRODUCTS, LLC
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.