Granted Patent
Utility
US 5,420,662 · App. 08/211,697
Printer or copier with an arrangement for printing both sides of a recording medium
Inventor:
Albrecht Gerstner
Patented Case
View Patent ↗
Granted: May 30, 1995
Filed: Apr 13, 1994
Inventor
Albrecht Gerstner
Assignee (at issue)
Siemens Nixdorf Informationssysteme AG
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.