Title:
BALL-PITCHING MACHINE WITH FORCED AIR ASSIST
United States Patent 3459168


Inventors:
Bruce, Norman R.
Application Number:
US3459168DA
Publication Date:
08/05/1969
Filing Date:
12/08/1965
Assignee:
Norman, Bruce R.
Primary Class:
Other Classes:
124/1, 124/50, 124/51.1
International Classes:
A63B69/40; (IPC1-7): A63B69/40; A63B65/12
View Patent Images:
US Patent References:
3288127Baseball pitching machine with ball curving device1966-11-29
2918915Tennis ball projecting machine1959-12-29
2793636Ball throwing machine1957-05-28
2716973Ball throwing machine1955-09-06
2379784Gun1945-07-03
2112611Ball throwing device1938-03-29
1204468N/A1916-11-14