Registered patent attorney

Brian P Crannell

USPTO Reg. 52777

Firm

Knowles Corporation

Address

1151 Maplewood Drive

Itasca, IL, 60143

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Brian P Crannell

  • Is Brian P Crannell a registered patent attorney?

    Yes. Brian P Crannell is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 52777). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Brian P Crannell located?

    Brian P Crannell's office is in Itasca, Illinois (60143). Affiliated with Knowles Corporation.

  • What firm does Brian P Crannell work at?

    Brian P Crannell is listed as affiliated with Knowles Corporation on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Brian P Crannell?

    Brian P Crannell's office phone (per the USPTO public roster) is 630-250-5100. Verify availability and intake details directly with the firm before sending privileged materials.

  • Should I prepare anything before contacting a patent attorney?

    Yes — most patent attorneys quote based on a brief. Persoona's intellectual property module generates a prior-art analysis, defensibility scorecard, and a draft USPTO filing package so you arrive with a brief, not a blank slate. Free to run.

Profile sourced from the USPTO OEDCI Practitioner Roster. Persoona did not provide, edit, or curate this data — every field is pulled directly from the public roster.

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