Granted Patent
Utility
US 5,657,007 · App. 08/507,567
Dumpster alarm system
Inventors:
Thomas M. Anderson, Patrick E. Powers
Patented Case
View Patent ↗
Granted: Aug 12, 1997
Filed: Jul 26, 1995
Inventors
Thomas M. Anderson
Patrick E. Powers
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.