Granted Patent
Utility
US 4,488,862 · App. 06/488,494
Compression molding apparatus having vacuum chamber
Inventors:
Joseph N. Epel, Robert E. Wilkinson, Horst F. Mach
Patented Case
View Patent ↗
Granted: Dec 18, 1984
Filed: Apr 25, 1983
Inventors
Joseph N. Epel
Robert E. Wilkinson
Horst F. Mach
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.