Granted Patent
Utility
US 4,461,803 · App. 06/505,386
Papermaker's felt having multi-layered base fabric
Inventors:
Ian Booth, Frank J. Cunnane, III
Patented Case
View Patent ↗
Granted: Jul 24, 1984
Filed: Jun 17, 1983
Inventors
Ian Booth
Frank J. Cunnane, III
Assignee (at issue)
Ascoe Felts, 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.