Road structure – process – or apparatus – Apparatus – Means to install or form joint
Patent
1992-06-19
1993-08-17
Neuder, William P.
Road structure, process, or apparatus
Apparatus
Means to install or form joint
249 52, 425458, E01C 2309
Patent
active
052362779
ABSTRACT:
An improved sidewalk grooving tool usable by a standing worker but having foldable handles for flat storage and transport.
REFERENCES:
patent: 4680949 (1987-07-01), Stewart
patent: 4822209 (1989-04-01), Dragich
patent: 4921372 (1990-05-01), Hybertson
patent: 4985961 (1991-01-01), Kegley
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