Geometrical instruments – Straightedge type – Rules
Patent
1995-09-25
1997-06-17
Lewis, Paul C.
Geometrical instruments
Straightedge type
Rules
33 1F, 11247508, G01B 300
Patent
active
056386052
ABSTRACT:
A quilting-aid device and method for use in making "two-color" squares for use in quilts, in which the quilter makes four of such squares from each larger square of two superimposed sheets of different material. The quilting-aid device, which saves the quilter from having to perform difficult calculations in the measuring and stitching and cutting of such squares, has two scales inscribed on a ruler-type base; a first scale on which to locate the desired size of two-color square and a second scale on which the corresponding position gives the size of the larger square with which to begin.
REFERENCES:
patent: 442020 (1890-12-01), Darling
patent: 5191716 (1993-03-01), Anderson
patent: 5557996 (1996-09-01), Reber et al.
Lewis Paul C.
Stoneman Martin L.
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