This inventor holds 12 USPTO granted patents. Top assignees: Hunter Douglas International N.v., Hunter Douglas,inc., Other. Active years: 1989-2013.
Location History:
- Fillmore, CA (US) (1989 - 2006)
- San Anselmo, CA (US) (2013)
Company Filing History:


Years Active: 1989-2013
Title: Innovations by Darrell J Metcalf
Introduction
Darrell J Metcalf is an inventive mind based in Fillmore, CA (US), known for his contributions to modern technology and design. With a total of 12 patents to his name, he has made significant strides in creating innovative solutions that address everyday challenges.
Latest Patents
Among his latest patents are the Positionable Zero-Footprint Self-Cleaning Urinal and the Multi-Purpose Food-Serving Apparatus (MPFSA). The Positionable Zero-Footprint Self-Cleaning Urinal is designed to be mounted in close proximity to cabinetry or walls, allowing it to transition between a concealed state and a revealed-for-use state. This urinal utilizes a very low water-usage mist-dispensing means to facilitate self-rinsing while employing minimal water per use-cycle. The MPFSA is a versatile food-serving apparatus that can be supported by one hand during eating. It features materials that allow for bending and unbending without significantly altering the presentation of the food, making it both functional and user-friendly.
Career Highlights
Throughout his career, Darrell has worked with notable companies, including Hunter Douglas International N.V. His innovative designs and patents reflect his commitment to improving user experience and efficiency in everyday products.
Collaborations
Darrell has collaborated with talented individuals such as Clyde LeRoy Tichenor and Irwin Ginsburgh, contributing to a rich exchange of ideas and innovations.
Conclusion
Darrell J Metcalf's inventive spirit and dedication to innovation have led to the development of practical solutions that enhance daily life. His work continues to inspire future advancements in technology and design.