Granted Patent
Utility
US 6,129,463 · App. 09/283,470
Ribbon tensioning assembly
Inventors:
Ed Lau, Mark Lombardo, Kenneth Colonel
Patented Case
View Patent ↗
Granted: Oct 10, 2000
Filed: Apr 1, 1999
Inventors
Ed Lau
Mark Lombardo
Kenneth Colonel
Assignee (at issue)
Datamax 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.