Granted Patent
Utility
US 4,557,779 · App. 06/628,953
Method of forming an embossing caul
Inventors:
Richard K. Bower, Stephen J. Tellman
Patented Case
View Patent ↗
Granted: Dec 10, 1985
Filed: Jul 6, 1984
Inventors
Richard K. Bower
Stephen J. Tellman
Assignee (at issue)
Champion International Corporation Limited
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.