Granted Patent
Utility
US 4,493,629 · App. 06/565,264
Modular spinnerette assembly
Inventor:
Randal A. Goffe
Patented Case
View Patent ↗
Granted: Jan 15, 1985
Filed: Dec 27, 1983
Inventor
Randal A. Goffe
Assignee (at issue)
Monsanto 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.