Granted Patent
Utility
US 6,149,747 · App. 09/038,250
Ceramic marking system with decals and thermal transfer ribbon
Inventors:
Michael A. Lorenz, Joseph D. Roth
Patented Case
View Patent ↗
Granted: Nov 21, 2000
Filed: Dec 4, 1997
Inventors
Michael A. Lorenz
Joseph D. Roth
Assignee (at issue)
NEC CORPORATION
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.