Granted Patent
Utility
US 6,586,153 · App. 10/137,616
Multilayer devices formed by multilayer thermal transfer
Inventors:
Martin B. Wolk, Paul F. Baude, Jeffrey M. Florczak, Fred B. McCormick, Yong Hsu
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: May 2, 2002
Inventors
Martin B. Wolk
Paul F. Baude
Jeffrey M. Florczak
Fred B. McCormick
Yong Hsu
Assignee (at issue)
3M INNOVATIVE PROPERTIES COMPANY
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.