Geometrical instruments – Straightedge type – Rules
Patent
1990-06-14
1991-10-15
Will, Thomas B.
Geometrical instruments
Straightedge type
Rules
33759, 33648, G01B 310, G01D 2100
Patent
active
050562347
ABSTRACT:
A device for use in laying out courses for the installation of roofing tile of various sizes and compositions produced by various manufacturers. The device includes an elongated tape having inscribed thereon coded indicia which can be used in laying out each course of tile produced by a particular manufacturer. The coded indicia identify a particular manufacturer and automatically account for the eave overhang and tile overlap distances specified by the manufacturer.
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patent: 4679325 (1987-07-01), Sweatman
patent: 4845858 (1989-07-01), Thomas
Brunton J. E.
Will Thomas B.
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