Location History:
- Shrewsbury, MO (US) (1977)
- Richmond, VA (US) (1989)
- Rolla, MO (US) (1978 - 1990)
- Licking, MO (US) (1989 - 1991)
- Watsonville, CA (US) (1994 - 1995)
Company Filing History:
Years Active: 1977-1995
Title: **Hal D. Mitchell: A Pioneer in Electrical and Safety Innovations**
Introduction
Hal D. Mitchell, a prolific inventor based in Rolla, Missouri, holds an impressive portfolio of 26 patents. His contributions span various fields, particularly focusing on electrical circuit components and safety innovations. Through his groundbreaking inventions, Mitchell has significantly impacted the efficiency and safety of electrical installations.
Latest Patents
Among his latest creations is the **Junction Box for Quick Release Mounting of Electrical Circuit Components**. This innovative wiring assembly features an electrical junction box with preset terminals that provide quick and easy mounting for essential electrical components. With this design, components such as switches and receptacles can connect effortlessly to the preset terminals, streamlining the wiring process in homes and buildings. The assembly is designed for ease of use, potentially reducing labor costs and installation time.
Mitchell's **Pressure Relief Valve for Tire Rim** is another notable invention. This valve prepares a tire rim to handle excess internal pressure by utilizing a valve body with two chambers separated by a restricted passageway. When tire pressure exceeds safety levels, the valve allows excess air to escape, enhancing tire safety. This clever mechanism reduces the risk of tire blowouts, showcasing Mitchell's commitment to safety in automotive technology.
Career Highlights
Hal D. Mitchell has worked with reputable companies such as Figgie International, Inc. and A-t-o Inc., where he collaborated on various engineering projects. His experience in established firms showcases his capability to merge innovative ideas with practical applications, leading to the development of essential safety and electrical products.
Collaborations
Throughout his career, Mitchell has had the privilege of working alongside talented individuals, including coworkers Donald R. Walker and James D. Gardner. These collaborations have likely contributed to refining his ideas and bringing his inventions to fruition.
Conclusion
Hal D. Mitchell's extensive work in enhancing electrical components and safety measures illustrates his remarkable ingenuity. With 26 patents to his name, his influence on both the electrical engineering field and consumer safety is well established. As innovations continue to evolve, Mitchell’s contributions remain a testament to the importance of creativity and practical solutions in modern technology.