Granted Patent
Utility
US 4,522,683 · App. 06/570,056
Dissolution of metals utilizing tungsten-diol combinations
Inventors:
Moenes L. Elias, Walter Burger
Patented Case
View Patent ↗
Granted: Jun 11, 1985
Filed: Jan 12, 1984
Inventors
Moenes L. Elias
Walter Burger
Assignee (at issue)
Plastic Specialties and Technologies 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.