Title:
GOLF SIGHT
United States Patent 3535792
Inventors:
Douglas, Howard N.
Publication Date:
10/27/1970
Export Citation:
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Assignee:
Howard, Douglas N.
Primary Class:
33/283
Other Classes:
33/391, 473/404
International Classes:
G01C9/12; G01C9/00; (IPC1-7): G01C15/00
View Patent Images:
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US Patent References:
3293755Putt direction finding method
2690015Hand leveling and plumbing tool
0449681N/A
Foreign References:
DE240920C




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