Office supplies; artists and teachers materials – Office equipment not elsewhere specified – Holder or file
Patent
1990-06-12
1993-03-23
Holtje, Nelson C.
Office supplies; artists and teachers materials
Office equipment not elsewhere specified
Holder or file
D19 65, D19 86, D19 90
Patent
active
D03342131
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patent: 4739541 (1988-04-01), Pitts
Eldon Industries Inc.
Holtje Nelson C.
O'Planick Richard B.
Thompson Martha
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