Granted Patent
Utility
US 4,657,804 · App. 06/765,633
Fusible fiber/microfine fiber laminate
Inventors:
Alfred T. Mays, Ching-Yun M. Yang
Patented Case
View Patent ↗
Granted: Apr 14, 1987
Filed: Aug 15, 1985
Inventors
Alfred T. Mays
Ching-Yun M. Yang
Assignee (at issue)
Chicopee
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.