This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Surefire, LLC. Active years: 2026.
Company Filing History:
Years Active: 2026
Title: Douglas Lawrence Stefanski: Innovator in Firearm Sound Suppression
Introduction
Douglas Lawrence Stefanski is an accomplished inventor based in Fountain Valley, CA (US). He is known for his innovative contributions to firearm technology, particularly in the area of sound suppression. With a focus on enhancing the functionality and safety of firearms, Stefanski has made significant strides in this field.
Latest Patents
Stefanski holds a patent for a "Firearm sound suppressor with peripheral venting." This invention provides an apparatus and methods for coupling a suppressor with the muzzle end of a firearm barrel to effectively reduce both muzzle blast and flash. The design features a housing with a proximal and distal end, incorporating a series of cylindrical gas expansion chambers that attenuate the temperature and energy of propellant gases. Additionally, an annular gas expansion chamber surrounds these cylindrical chambers, directing a portion of the gases to peripheral vents at the distal end. This innovative design enhances the overall performance of the suppressor.
Career Highlights
Stefanski is currently associated with Surefire, LLC, a company renowned for its advancements in firearm accessories and technology. His work at Surefire has allowed him to contribute to the development of cutting-edge products that prioritize user safety and efficiency.
Collaborations
Throughout his career, Stefanski has collaborated with notable professionals in the industry, including Michael Scott Standen and Barry W. Dueck. These collaborations have fostered an environment of innovation and creativity, leading to the development of advanced firearm technologies.
Conclusion
Douglas Lawrence Stefanski is a prominent figure in the field of firearm sound suppression, with a patent that showcases his innovative approach to enhancing firearm performance. His contributions through Surefire, LLC, and collaborations with industry professionals highlight his commitment to advancing firearm technology.