Granted Patent
Utility
US 6,499,271 · App. 09/599,827
Tray sealing machine
Inventors:
Mark S. Lastovich, Perry R. DeYoung
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: Jun 22, 2000
Inventors
Mark S. Lastovich
Perry R. DeYoung
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.