Office supplies; artists and teachers materials – Teaching material
Patent
1992-11-04
1994-05-03
Burke, Wallace R.
Office supplies; artists and teachers materials
Teaching material
Patent
active
D03466205
REFERENCES:
patent: D35317 (1901-11-01), Lawton
patent: D256028 (1980-07-01), Lawrence et al.
patent: D269683 (1983-07-01), Barbour
patent: D275402 (1984-09-01), O'Brien
patent: D280530 (1985-09-01), Sugiyama
patent: 5167508 (1992-12-01), McTaggart
Burgess Pamela
Burke Wallace R.
Gernstein Terry M.
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