Granted Patent
Utility
US 6,571,534 · App. 09/728,115
Tray sealing machine
Inventors:
Perry R. De Young, Todd A. Sutton, Scott D. Sikkema
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Dec 1, 2000
Inventors
Perry R. De Young
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.