Registered patent agent
William C Spangler
Address
489 E High Point Drive
Peonia, IL, 61614
US
Phone
Registered as
Registered patent agent
Frequently asked
Frequently asked about William C Spangler
Is William C Spangler a registered patent attorney?
William C Spangler is a registered patent agent (USPTO Registration Number 78991). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is William C Spangler located?
William C Spangler's office is in Peonia, Illinois (61614).
How do I contact William C Spangler?
William C Spangler's office phone (per the USPTO public roster) is 309-992-8083. 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.