Granted Patent
Utility
US 4,841,613 · App. 07/165,214
Pressure developer or press having a pressure roll containing composite material
Inventors:
Jack Beery, David S. Brookstein
Patented Case
View Patent ↗
Granted: Jun 27, 1989
Filed: Mar 8, 1988
Inventors
Jack Beery
David S. Brookstein
Assignee (at issue)
The Mead 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.