Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent
1992-04-07
1993-10-19
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Machines
Brushing
15 34, 15 40, 15 77, A46B 1302
Patent
active
052533832
ABSTRACT:
A mechanical device for scraping cover material from underlying information on cards such as lottery tickets. The device uses a power driven wire brush and includes a collector for the material scraped from the cards.
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patent: 3117333 (1964-01-01), Murray et al.
patent: 3225377 (1965-12-01), Winter et al.
patent: 4765842 (1988-08-01), Sanders et al.
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