Brushing – scrubbing – and general cleaning – Machines – Combined
Patent
1976-08-03
1977-07-26
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Machines
Combined
15 3, 15 353, 33 27L, B43L 1900
Patent
active
040372839
ABSTRACT:
An electric stippling device includes a housing within which is positioned an electric motor, a rotatable eraser member operably connected to the motor for rotation therewith and a stippling shaft member operably connected to an opposite end of the motor for reciprocatory movement.
REFERENCES:
patent: 2858703 (1958-11-01), Willcox
patent: 3774255 (1973-11-01), Pao
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