Keystone Series™ Pentagon Patent & Inventor Recognition Plaque

Structured Elegance. Foundational Achievement. Note: All domestic hardwood plaques can be made in custom sizes up to 24" x 36". Please contact us for custom size orders, pricing and quantity discounts! The Keystone Series™ pentagon patent plaque represents stability, accomplishment, and enduring innovation. Precision-crafted from solid walnut, cherry, or maple, this five-sided silhouette provides a distinctive alternative to traditional rectangular plaques while maintaining professional formality. Each plaque features deeply engraved patent details and drawing layout, with optional upgraded USPTO seal treatments to enhance presentation impact. The pentagon form conveys structure and permanence — ideal for honoring foundational inventions and milestone achievements.