Brushware – Relatively moveable components – Roller
Patent
1984-01-19
1986-05-27
Kemper, Catherine E.
Brushware
Relatively moveable components
Roller
D 4119, D32 40
Patent
active
D02839539
REFERENCES:
patent: 2599420 (1952-06-01), Westhoff et al.
patent: 2856625 (1958-10-01), Delacretaz
patent: 4400842 (1983-08-01), Vitonis
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