Granted Patent
Utility
US 5,409,113 · App. 08/209,608
Needle disposal container and disposal system
Inventors:
Michael Richard Richardson, Lawrence G. Ponsi, Paul H. Hanifl
Patented Case
View Patent ↗
Granted: Apr 25, 1995
Filed: Mar 10, 1994
Inventors
Michael Richard Richardson
Lawrence G. Ponsi
Paul H. Hanifl
Assignee (at issue)
Sage 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.