Railways – Droppings catcher
Patent
1978-10-30
1981-02-17
Mancene, Louis G.
Railways
Droppings catcher
104155, 406108, A63H 2916
Patent
active
042506573
ABSTRACT:
A game comprising an air tube transportation system energized by a unique air pump system. The air pump system includes an air pump manifolded into a plurality of tubes wherein each of the tubes is selectively connected to the air pump through individual valves which control the direction and force of the air flowing through the tubes.
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patent: 2003257 (1935-05-01), Fageol et al.
patent: 2890537 (1959-06-01), Benko
patent: 3469340 (1969-09-01), Breneman et al.
patent: 3697071 (1972-10-01), Anderson
patent: 3711038 (1973-01-01), Van Otteren
Barlow Gordon A.
Janiszewski Anthony
Gordon Barlow Design
Mancene Louis G.
Yu Mickey
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