Location History:
- Newcastle, WA (US) (1999)
- Renton, WA (US) (1994 - 2021)
Company Filing History:
9 out of 17 
8 out of 214 
4 out of 75 Years Active: 1994-2021
Title: James A. Duncan: Innovator in Window Hardware and Exercise Equipment
Introduction
James A. Duncan, based in Renton, WA, is a prolific inventor with a remarkable portfolio of 21 patents. His ingenuity spans various domains, particularly focusing on practical innovations in window locking mechanisms and exercise equipment.
Latest Patents
Among his latest inventions is the Direct Action Window Lock, designed for sliding windows featuring a sliding sash. This advanced window latch includes a housing with a movable engagement element that transitions between locked and unlocked positions with a simple handle movement. This innovative approach enhances user convenience and security by seamlessly integrating the locking mechanism with the window's operational dynamics.
Another notable invention from Duncan is an exercise machine that combines a user-defined striding motion with a vertically reciprocating path. This device cleverly adapts to the user's natural stride length, enabling both tall and short users to engage in a more comfortable and efficient workout. By allowing dynamic adjustments to the length of the stride during exercise, it enhances the overall user experience, promoting fitness in an accessible manner.
Career Highlights
Duncan's career has been marked by contributions to prominent companies in the fitness and medical product sectors, including Stairmaster Sports Medical Products, Inc. and Nautilus, Inc. His innovative spirit has played a significant role in the advancement of exercise equipment, paving the way for more effective fitness solutions.
Collaborations
Throughout his professional journey, James A. Duncan has collaborated with esteemed colleagues such as R Lee Rawls and John Arthur Ohrt. These partnerships have fostered a creative environment that has led to the development of groundbreaking inventions and improvements in product design.
Conclusion
James A. Duncan's contributions to the fields of window hardware and exercise equipment exemplify the impact of innovation on everyday life. With a solid foundation of patents and a commitment to enhancing user experience, he continues to be a significant figure in the landscape of inventors. His work not only showcases technological advancements but also reflects a dedication to practical solutions that improve functionality and accessibility for users everywhere.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.