Title:
GOLF PRACTICE DEVICE
United States Patent 3420528
Inventors:
Day, Herbert T.
Publication Date:
01/07/1969
Assignee:
JOHNSON & DAY GOLF ENTERPRISES
Other Classes:
273/397, 473/133, 473/166
International Classes:
A63B69/36; A63B57/00; A63B63/00; A63B69/36; A63B57/00; A63B63/00