Registered patent attorney
Harold Charles KnechtIII
Firm
3M Innovative Properties Company
Address
P O Box 33427
3M Center
St Paul, MN, 55133
US
Phone
Registered as
Registered patent attorney
Other attorneys at 3M Innovative Properties Company
- Trisha Durbin AdamsonUSPTO Reg. 55860 · St. Paul, MN
- Scott A BaumUSPTO Reg. 51237 · St. Paul, MN
- Melissa Evans BussUSPTO Reg. 47465 · Saint Paul, MN
- Michael G CobianUSPTO Reg. 52756 · St Paul, MN
- Stephen L. CrooksUSPTO Reg. 62218 · St. Paul, MN
- Philip Y DahlUSPTO Reg. 36115 · St Paul, MN
- Erik M. DrangeUSPTO Reg. 57750 · St. Paul, MN
- Philip J DumontUSPTO Reg. 62994 · St. Paul, MN
Other patent attorneys in St Paul, Minnesota
- William J BondUSPTO Reg. 32400
- Paul Chrenka3M Company
- Robert J DeVoe3M Company
- Carolyn A Fischer3M Innovative Properties Company
- Lisa P Fulton3M Innovative Properties Company
- Philip M GoldmanUSPTO Reg. 31162
- William E GoshertUSPTO Reg. 52952
- Karl Gustav Anders Ludwig Hanson3M Company
Frequently asked
Frequently asked about Harold Charles Knecht
Is Harold Charles Knecht a registered patent attorney?
Yes. Harold Charles Knecht is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 35576). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Harold Charles Knecht located?
Harold Charles Knecht's office is in St Paul, Minnesota (55133). Affiliated with 3M Innovative Properties Company.
What firm does Harold Charles Knecht work at?
Harold Charles Knecht is listed as affiliated with 3M Innovative Properties Company on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Harold Charles Knecht?
Harold Charles Knecht's office phone (per the USPTO public roster) is 651-575-1056. 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.