Office supplies; artists and teachers materials – Office equipment not elsewhere specified – Holder or file
Patent
1990-08-06
1993-08-24
Holtje, Nelson C.
Office supplies; artists and teachers materials
Office equipment not elsewhere specified
Holder or file
D19 35, D32 74
Patent
active
D03386856
REFERENCES:
patent: D42925 (1912-08-01), Nelson
patent: D42974 (1912-09-01), Nelson
patent: D67490 (1925-06-01), Briggs
patent: 2453973 (1948-11-01), Coats
patent: 3028975 (1962-04-01), Bullock
patent: 3531170 (1970-09-01), Boyer
Holtje Nelson C.
Thompson Martha
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