Granted Patent
Utility
US 4,438,178 · App. 06/437,043
Adhesive activated polyester fibrous material
Inventor:
Edward J. Powers
Patented Case
View Patent ↗
Granted: Mar 20, 1984
Filed: Oct 27, 1982
Inventor
Edward J. Powers
Assignee (at issue)
Fiber Industries, Inc.
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.