Granted Patent
Utility
US 6,681,546 · App. 10/322,887
Tray sealing machine
Inventors:
Perry R. DeYoung, Todd A. Sutton, Scott D. Sikkema
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Dec 18, 2002
Inventors
Perry R. DeYoung
Todd A. Sutton
Scott D. Sikkema
Assignee (at issue)
Oliver Products 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.