Granted Patent
Utility
US 4,664,855 · App. 06/796,813
Method for producing amalgamable alloy
Inventors:
David Tremblay, Kamal Asgar
Patented Case
View Patent ↗
Granted: May 12, 1987
Filed: Nov 12, 1985
Inventors
David Tremblay
Kamal Asgar
Assignee (at issue)
SPECIAL METALS 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.