Granted Patent
Utility
US 5,360,588 · App. 08/174,059
Method of making an injection molded frame having a panel insert
Inventors:
William M. Heyn, Robert W. Fraser, Donald J. Roth
Patented Case
View Patent ↗
Granted: Nov 1, 1994
Filed: Dec 28, 1993
Inventors
William M. Heyn
Robert W. Fraser
Donald J. Roth
Assignee (at issue)
Polystar Packaging, Incorporated
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.