Granted Patent
Utility
US 4,513,660 · App. 06/644,645
Impression roller for limiting charge distribution
Inventors:
George B. Brands, Bruce E. Hyllberg
Patented Case
View Patent ↗
Granted: Apr 30, 1985
Filed: Aug 24, 1984
Inventors
George B. Brands
Bruce E. Hyllberg
Assignee (at issue)
American Roller Company, LLC
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.