Granted Patent
Utility
US 4,262,158 · App. 05/941,877
Paramelter-batch feed controlled by crust temperature and melter power by liner temperature for regulation of head
Inventor:
Francis Lynch
Patented Case
View Patent ↗
Granted: Apr 14, 1981
Filed: Sep 13, 1978
Inventor
Francis Lynch
Assignee (at issue)
Owens-Corning Fiberglas Corp.
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.