Granted Patent
Utility
US 5,901,336 · App. 08/705,929
Bonding beryllium to copper alloys using powder metallurgy compositional gradients
Inventor:
David E. Dombrowski
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: Aug 30, 1996
Inventor
David E. Dombrowski
Assignee (at issue)
BRUSH WELLMAN, 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.