Granted Patent
Utility
US 4,024,816 · App. 05/655,342
Inking roller and apparatus and method for printing using such roller
Inventors:
Leland E. Williams, James O. Griffith
Patented Case
View Patent ↗
Granted: May 24, 1977
Filed: Feb 5, 1976
Inventors
Leland E. Williams
James O. Griffith
Assignee (at issue)
DayCo Holdings, LP
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.