Printing and office machinery – Pneumatic dispatch tube or system
Patent
1981-05-18
1984-01-03
Zarfas, Louis S.
Printing and office machinery
Pneumatic dispatch tube or system
D1205
Patent
active
D02720760
REFERENCES:
patent: D264264 (1982-05-01), Hauser et al.
patent: 394552 (1888-12-01), Barri
patent: 4135684 (1979-01-01), Willey
Tel-Air System Five, Lefebvre, Div. of Walter Kidde & Co., Inc. inside back cover-Under Counter Tube Terminal.
Booth John F.
Crutsinger Gerald G.
Ross Monty L.
Zarfas Louis S,.
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