Granted Patent
Utility
US 4,491,559 · App. 06/370,934
Flowable composition adapted for sintering and method of making
Inventors:
George P. Grab, Grant Hood, Sigurd A. Swanson, Bela J. Nemeth
Patented Case
View Patent ↗
Granted: Jan 1, 1985
Filed: Apr 22, 1982
Inventors
George P. Grab
Grant Hood
Sigurd A. Swanson
Bela J. Nemeth
Assignee (at issue)
KENNAMETAL 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.