Granted Patent
Utility
US 4,321,074 · App. 06/132,247
Method and apparatus for manufacturing glass fibers
Inventors:
H. I. Glaser, F. D. Meyers, Elmer P. Rieser, Thomas K. Thompson
Patented Case
View Patent ↗
Granted: Mar 23, 1982
Filed: Mar 20, 1980
Inventors
H. I. Glaser
F. D. Meyers
Elmer P. Rieser
Thomas K. Thompson
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.