Granted Patent
Utility
US 6,556,796 · App. 10/054,453
Drum-loading/unloading apparatus for electrostatographic printer/copier
Inventors:
Jorge L. Chavez, Adolf Phillip Greiner, Ralph E. Williams
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Jan 22, 2002
Inventors
Jorge L. Chavez
Adolf Phillip Greiner
Ralph E. Williams
Assignee (at issue)
NexPress Solutions 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.