Title:
Baseball batting practice range with ball return means
United States Patent 3306613
US Patent References:
/1211738.html
- - 1211738
Baseball-throwing machine
- - 1733394
Golf drive registering device
- - 1869642
Ball throwing device
- - 2112611
Ball pitching machine
- - 2705945
/1211738.html
- - 1211738
Baseball-throwing machine
- - 1733394
Golf drive registering device
- - 1869642
Ball throwing device
- - 2112611
Ball pitching machine
- - 2705945
Inventors:
Mainers, Artez F.
Publication Date:
02/28/1967
View Patent Images:
Export Citation:
Assignee:
Mainers, Artez F.
Primary Class:
Other Classes:
124/6, 124/82
International Classes:
A63B69/40
US Patent References:
| 2729206 | Ball throwing device |