Granted Patent
Utility
US 5,526,142 · App. 07/952,458
Scanner/plotter and rotatable drum for use therein
Inventor:
Alfred R. Ouellette
Patented Case
View Patent ↗
Granted: Jun 11, 1996
Filed: Sep 29, 1992
Inventor
Alfred R. Ouellette
Assignee (at issue)
Intergraph Corporation
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.