Granted Patent
Utility
US 5,255,588 · App. 07/892,151
Apparatus for making accurate cuts in thermoformed articles
Inventors:
Douglas E. Foos, Todd O. Buck
Patented Case
View Patent ↗
Granted: Oct 26, 1993
Filed: Jun 2, 1992
Inventors
Douglas E. Foos
Todd O. Buck
Assignee (at issue)
Plastofilm Industries, Inc.
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.