Registered patent agent
H. Clark Bell
Firm
H F Plus
Address
21111 Tulsa Street
Chatsworth, CA, 91311
US
Phone
Registered as
Registered patent agent
Other patent attorneys in Chatsworth, California
- Pablo E Ferreiro GarciaDytran Instruments, Inc.
- Arthur FreilichFreilich, Hornbaker & Rosen
- Keith Lowell JohnsonUSPTO Reg. 34630
- Kwangjun KimBenest Law Office PC
- Svapnaben PatelUSPTO Reg. 67671
- Anooj M PatelUSPTO Reg. 70365
Frequently asked
Frequently asked about H. Clark Bell
Is H. Clark Bell a registered patent attorney?
H. Clark Bell is a registered patent agent (USPTO Registration Number 40908). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is H. Clark Bell located?
H. Clark Bell's office is in Chatsworth, California (91311). Affiliated with H F Plus.
What firm does H. Clark Bell work at?
H. Clark Bell is listed as affiliated with H F Plus on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact H. Clark Bell?
H. Clark Bell's office phone (per the USPTO public roster) is 818-882-7811. 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.