Granted Patent
Utility
US 4,326,793 · App. 06/133,577
Full cantilever structural support apparatus for rotatable electrophotographic drum
Inventor:
William F. Buholtz
Patented Case
View Patent ↗
Granted: Apr 27, 1982
Filed: Mar 24, 1980
Inventor
William F. Buholtz
Assignee (at issue)
Burroughs, Inc.
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.