Title:
Leveling device
United States Patent 2571287


Inventors:
Peters, Alfred H.
Application Number:
US11480849A
Publication Date:
10/16/1951
Filing Date:
09/09/1949
Assignee:
Peters, Alfred H.
Primary Class:
Other Classes:
33/291, 33/354
International Classes:
G01C5/00
View Patent Images:
US Patent References:
1205705N/A1916-11-21
1014519N/A1912-01-09
0622045N/A1899-03-28
0022598N/A1859-01-11
Foreign References:
DE600214C1934-07-19