Granted Patent
Utility
US 4,926,749 · App. 07/418,963
Rotary compaction of fibrous material
Inventors:
Michael A. Neale, Wilfred E. Klinner
Patented Case
View Patent ↗
Granted: May 22, 1990
Filed: Oct 10, 1989
Inventors
Michael A. Neale
Wilfred E. Klinner
Assignee (at issue)
NATIONAL RESEARCH DEVELOPMENT CORPORATION
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.