Granted Patent
Utility
US 6,214,520 · App. 09/545,932
Thermal transfer element for forming multilayer devices
Inventors:
Martin B. Wolk, Paul F. Baude, Jeffrey M. Florczak, Fred B. McCormick, Yong Hsu
Patented Case
View Patent ↗
Granted: Apr 10, 2001
Filed: Apr 10, 2000
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.