Granted Patent
Utility
US 4,531,702 · App. 06/438,586
Injection mold for forming optical fiber connector
Inventor:
William T. Plummer
Patented Case
View Patent ↗
Granted: Jul 30, 1985
Filed: Nov 2, 1982
Inventor
William T. Plummer
Assignee (at issue)
Polaroid Corporation
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.