Granted Patent
Utility
US 4,497,624 · App. 06/439,760
Injection molding machine
Inventors:
Philip L. Brun, Stephen A. Bright
Patented Case
View Patent ↗
Granted: Feb 5, 1985
Filed: Nov 8, 1982
Inventors
Philip L. Brun
Stephen A. Bright
Assignee (at issue)
Electra Form, 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.