Granted Patent
Utility
US 4,551,085 · App. 06/681,567
Compression molding apparatus having vacuum chamber
Inventors:
Joseph N. Epel, Robert E. Wilkinson
Patented Case
View Patent ↗
Granted: Nov 5, 1985
Filed: Dec 14, 1984
Inventors
Joseph N. Epel
Robert E. Wilkinson
Assignee (at issue)
The Budd 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.