Granted Patent
Utility
US 5,455,723 · App. 08/252,667
Method and apparatus for ramp load and unload
Inventors:
Zine-Eddine Boutaghou, Earl A. Cunningham, Hal Hjalmar Ottesen
Patented Case
View Patent ↗
Granted: Oct 3, 1995
Filed: Jun 2, 1994
Inventors
Zine-Eddine Boutaghou
Earl A. Cunningham
Hal Hjalmar Ottesen
Assignee (at issue)
International Business Machines 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.