Granted Patent
Utility
US 4,253,840 · App. 06/022,176
Hot-melt size compositions and process for textiles
Inventors:
Walter F. Illman, Delano M. Conklin, Clifton H. Karnes, Jr., Robert C. Malpass
Patented Case
View Patent ↗
Granted: Mar 3, 1981
Filed: Mar 20, 1979
Inventors
Walter F. Illman
Delano M. Conklin
Clifton H. Karnes, Jr.
Robert C. Malpass
Assignee (at issue)
Burlington Industries LLC
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.