Patents for Gravity Level Company


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Patents for Gravity Level Company
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
917,699	Apr. 06, 1909	J.H. Wyatt	Level	inclinometers
1,122,349	Dec. 29, 1914	C. Haley, W. Henry, J.H. Wyatt	Level	inclinometers