Granted Patent
Utility
US 5,244,200 · App. 07/931,617
Retractable-ramp accumulator and method
Inventor:
G. William Manzke, Jr.
Patented Case
View Patent ↗
Granted: Sep 14, 1993
Filed: Aug 18, 1992
Inventor
G. William Manzke, Jr.
Assignee (at issue)
Bell & Howell Phillipsburg Company
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.