Granted Patent
Utility
US 5,986,877 · App. 09/123,818
Tantalum metal power with controlled size distribution and products made therefrom
Inventors:
Viren M. Pathare, Bhamidipaty K. D. P. Rao, James A. Fife, Hongju Chang, Roger W. Steele, Lee M. Ruch
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Jul 28, 1998
Inventors
Viren M. Pathare
Bhamidipaty K. D. P. Rao
James A. Fife
Hongju Chang
Roger W. Steele
Lee M. Ruch
Assignee (at issue)
Cabot 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.