Steven D. Keller

Patent agent, USPTO registration number 72389, status Active.

Location

Lancaster, PA

On the USPTO roster since

November 2014

Steven D. Keller is a USPTO-registered patent agent (registration number 72389), in Lancaster, PA. The registration is active on the current USPTO roster, and Steven D. Keller has been listed on the roster since November 2014.

Lancaster, PA has 15 registered patent practitioners in all: 11 patent attorneys and 4 patent agents.

Other registered practitioners in Lancaster, PA

• Andrew L. Oltmans — Patent attorney, Reg. No. 56074, Saxton & Stump
• Jason T. Somma — Patent attorney, Reg. No. 61526, Saxton & Stump LLC
• Craig M. Sterner — Patent attorney, Reg. No. 58059, Armstrong World Industries
• Jennifer Mae Antonacci — Patent attorney, Reg. No. 50568, Armstrong World Industries INC
• Amy M. Fernandez — Patent attorney, Reg. No. 59726, Armstrong World Industries INC
• Philip D. Freedman — Patent attorney, Reg. No. 24163, Phillip D. Freedman PC
• Hilmar L. Fricke — Patent attorney, Reg. No. 22384, Baker & Hostetler LLP
• Andrew D. Mead — Patent attorney, Reg. No. 53310, Saxton & Stump

All patent attorneys and agents in Lancaster, PA

Patent firms in Pennsylvania · Practitioners by state

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