Granted Patent
Utility
US 4,515,613 · App. 06/520,096
Method and apparatus for producing a continuous glass filament mat
Inventors:
David V. Stotler, Fred S. Coffey
Patented Case
View Patent ↗
Granted: May 7, 1985
Filed: Aug 4, 1983
Inventors
David V. Stotler
Fred S. Coffey
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.