Granted Patent
Utility
US 4,619,665 · App. 06/710,745
Sheet containing heat transferable dye and selective blocking agent for heat transfer printing
Inventors:
Carl E. Sideman, Thomas E. Lewis, Michael T. Nowak
Patented Case
View Patent ↗
Granted: Oct 28, 1986
Filed: Mar 11, 1985
Inventors
Carl E. Sideman
Thomas E. Lewis
Michael T. Nowak
Assignee (at issue)
Technographics Printworld, Inc.
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.