Granted Patent
Utility
US 5,928,959 · App. 08/940,808
Dishing resistance
Inventors:
Kai Huckels, Matthias Ilg
Patented Case
View Patent ↗
Granted: Jul 27, 1999
Filed: Sep 30, 1997
Inventors
Kai Huckels
Matthias Ilg
Assignee (at issue)
Siemens Aktiengesellschaft
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.