Granted Patent
Utility
US 4,922,514 · App. 07/290,403
Method and apparatus for dispatching services
Inventors:
Lawrence E. Bergeron, John D. Goldson, David Ellis
Patented Case
View Patent ↗
Granted: May 1, 1990
Filed: Dec 29, 1988
Inventors
Lawrence E. Bergeron
John D. Goldson
David Ellis
Assignee (at issue)
Dictaphone 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.