Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent
1985-07-03
1987-04-28
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Machines
Brushing
A46B 1302
Patent
active
046602445
ABSTRACT:
A hydraulic brush for teeth and gum cleaning and massaging, having a rotating cylindrical, spiral, disc or cupped-shape brush with radially projected ultrathin bristles and simultaneous liquid jets supply to the teeth and gums.
REFERENCES:
patent: 2283314 (1942-05-01), Ckola
patent: 3046585 (1962-07-01), Ledingham et al.
patent: 3553758 (1971-01-01), Wood
patent: 3909867 (1975-10-01), Hogsell
patent: 4163300 (1979-08-01), Quint
Johnson Clayton R.
Roberts Edward L.
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