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Patent Agents in Portland, OR
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1
Gtt
(503) 246-7524
6438 SW Parkhill Dr
Portland
,
OR
97239-2654
2
Patent Copyright and Trademark Office
(800) 846-3228
Portland
,
OR
97201
3
Givnan James D Jr Patent Agent
(503) 292-5758
8175 SW Ernst Rd
Portland
,
OR
97225-3849
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