Notched endless elastic band putting target
United States Patent 3171657
Inventors:
Strang, Francis B.
Publication Date:
03/02/1965
Assignee:
Strang, Francis B.
Other Classes:
273/129R, 273/127R, 236/1H, 473/188
International Classes:
A63B57/00; A63B69/36; A63B71/04