Geometrical instruments – Straight-line light ray type – Alignment device
Patent
1988-01-19
1989-06-20
Martin, Jr., William D.
Geometrical instruments
Straight-line light ray type
Alignment device
273183E, 273 35A, 356255, G01B 900
Patent
active
048399680
ABSTRACT:
A golf green indication means is set forth for visual reflection of a golf green surface and visually illustrate slope and obstructions associated in the path of a ball proximate a putting hole. A reflective lens is fastened to a housing to present an acute angle of approximately 45 degrees relative to the golf green surface. An associated handle to the housing enables easy transport of the device in use.
REFERENCES:
patent: 2463291 (1949-03-01), Mazziotti
patent: 2463798 (1949-03-01), Paisley
patent: 2822614 (1958-02-01), Susino
patent: 3118678 (1964-01-01), Rohr
patent: 3170698 (1965-02-01), Schoeffler et al.
patent: 3198525 (1965-08-01), Smith
Gilden Leon
Martin, Jr. William D.
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