Granted Patent
Utility
US 5,290,499 · App. 07/886,683
Apparatus and method for sealing a mold box
Inventor:
Robert Tischler
Patented Case
View Patent ↗
Granted: Mar 1, 1994
Filed: May 21, 1992
Inventor
Robert Tischler
Assignee (at issue)
Davidson Textron, 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.