Granted Patent
Utility
US 4,579,761 · App. 06/761,333
Method of making aureate colored coins, medallions and tokens and products so made
Inventors:
Michael J. H. Ruscoe, Willie Seibt
Patented Case
View Patent ↗
Granted: Apr 1, 1986
Filed: Jul 31, 1985
Inventors
Michael J. H. Ruscoe
Willie Seibt
Assignee (at issue)
Sherritt Gordon Mines Limited
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.