Dean A. Ersfeld
Patent agent, USPTO registration number 46689, status Active.
- Firm
- 3M Innovative Properties Company
- Location
- Saint Paul, MN
- On the USPTO roster since
- before May 2006
Dean A. Ersfeld is a USPTO-registered patent agent (registration number 46689) at 3M Innovative Properties Company, in Saint Paul, MN. The registration is active on the current USPTO roster, and Dean A. Ersfeld has been listed on the roster since before May 2006.
3M Innovative Properties Company has 60 registered patent practitioners on the roster (33 patent attorneys and 27 patent agents), so Dean A. Ersfeld works alongside 59 other registered practitioners there.
Saint Paul, MN has 63 registered patent practitioners in all: 31 patent attorneys and 17 patent agents.
Other registered practitioners in Saint Paul, MN
- Sumit Agarwal — Patent attorney, Reg. No. 63445
- Theodore Joseph Anders — Limited recognition, Reg. No. 901106, Mitchell Hamline School of Law
- Brett Jerome Anderson — Limited recognition, Reg. No. 901107, Mitchell Hamline School of Law
- Michael P. Bakke — Patent agent, Reg. No. 80342
- Haley Beann — Limited recognition, Reg. No. 903222, Mitchell Hamline School of Law
- Sharon Rose Benjamin — Patent agent, Reg. No. 50300, 3M
- Colene Elizabeth Hartman Blank — Patent attorney, Reg. No. 41056, 3M Innovative Properties CO, Office of Intellectua
- Katherine S. Boyle — Patent attorney, Reg. No. 57827, Pauly DeVries Smith & Deffner
All patent attorneys and agents in Saint Paul, MN
Patent firms in Minnesota · Practitioners by state
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