Granted Patent
Utility
US 5,834,129 · App. 08/965,134
Grained and anodized aluminum substrate for lithographic printing plates
Inventors:
Major S. Dhillon, Gerhard Sprintschnik, Jose G. Gonzales
Patented Case
View Patent ↗
Granted: Nov 10, 1998
Filed: Nov 6, 1997
Inventors
Major S. Dhillon
Gerhard Sprintschnik
Jose G. Gonzales
Assignee (at issue)
Bayer Aktiengesellschaft
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.