Granted Patent
Utility
US 4,634,615 · App. 06/720,121
Heat recoverable coextruded articles
Inventors:
Willem M. Versteegh, Lester T. Toy, Christine Holland
Patented Case
View Patent ↗
Granted: Jan 6, 1987
Filed: Apr 4, 1985
Inventors
Willem M. Versteegh
Lester T. Toy
Christine Holland
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.