John D. Winkelman

Patent attorney, USPTO registration number 26523, status Active.

Location
Beaverton, OR
On the USPTO roster since
before May 2006

John D. Winkelman is a USPTO-registered patent attorney (registration number 26523), in Beaverton, OR. The registration is active on the current USPTO roster, and John D. Winkelman has been listed on the roster since before May 2006.

Beaverton, OR has 62 registered patent practitioners in all: 39 patent attorneys and 23 patent agents.

Other registered practitioners in Beaverton, OR

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