Granted Patent
Utility
US 5,181,806 · App. 07/830,148
Pneumatic tube system
Inventors:
Leo J. Grosswiller, F. Michael Theriault, Lawrence F. Mannella, Walter G. Anders
Patented Case
View Patent ↗
Granted: Jan 26, 1993
Filed: Feb 3, 1992
Inventors
Leo J. Grosswiller
F. Michael Theriault
Lawrence F. Mannella
Walter G. Anders
Assignee (at issue)
DIEBOLD, INC.
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.