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Title:
Adjustable line jig for laying brick and concrete block walls
United States Patent 2659973
Inventors:
Patzel, Fred W.
Application Number:
US21960751A
Publication Date:
11/24/1953
Filing Date:
04/06/1951
Assignee:
Patzel, Fred W.
Primary Class:
International Classes:
E04G21/18
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US Patent References:
2530121Line anchoring device1950-11-14
2508076Gauge line holder1950-05-16
2492044Bricklayer's line trig1949-12-20
2261503Bricklayer's line trig1941-11-04
2215663Mason's line anchoring device1940-09-24
0492636N/A1893-02-28