Registered patent agent
Harold Dale Messner
Address
1021 Nebraska St
Vallejo, CA, 94590
US
Phone
Registered as
Registered patent agent
Other patent attorneys in Vallejo, California
- Edmund Ming-yin LeeUSPTO Reg. 62577
- Sonia MehmiUSPTO Reg. 84166
- Leah A MoleraUSPTO Reg. 65651
- Edward S ShermanMeyer Corp., US
Frequently asked
Frequently asked about Harold Dale Messner
Is Harold Dale Messner a registered patent attorney?
Harold Dale Messner is a registered patent agent (USPTO Registration Number 20189). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Harold Dale Messner located?
Harold Dale Messner's office is in Vallejo, California (94590).
How do I contact Harold Dale Messner?
Harold Dale Messner's office phone (per the USPTO public roster) is 707-577-8709. 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.