Location History:
- Klamath Falls, OR (US) (1978 - 1984)
- Corvallis, OR (US) (1988 - 2008)
- Salem, OR (US) (1985 - 2014)
Company Filing History:
6 out of 6 
6 out of 7 
3 out of 171 
Years Active: 1978-2014
Title: The Innovations of David Arthur Johnson in Firearm Technology
Introduction: David Arthur Johnson, based in Salem, OR, has made significant contributions to firearm technology, holding a remarkable total of 39 patents. His innovations focus on enhancing the functionality and efficiency of firearms, enabling users to adapt to various ammunition types seamlessly.
Latest Patents: Among his most recent patents, Johnson introduced a magazine adapter designed to convert firearms for use with smaller caliber ammunition. This innovative adapter features a base that fits securely within the magazine well of a firearm. It includes a bolt catch actuator, which is activated when the upward projection of the magazine's follower pushes against it, holding the bolt in a rearward position. This invention allows users to maintain control of the firearm while using a caliber conversion unit or different barrel combination.
Another of his notable patents is the spare magazine carrier with an independent latch mechanism. This protective carrier is engineered to hold a loaded spare magazine for immediate use, ensuring readiness without relying on the firearm's magazine release mechanism. This ingenious design allows for the spare magazine to be released easily with a latch release lever, which is conveniently accessible for both left-handed and right-handed users.
Career Highlights: David Arthur Johnson's career has been marked by his focus on practical innovations within the firearms industry. His extensive work and dedication have propelled him to the forefront of firearm development as he seeks to improve the usability and versatility of firearms across varying applications.
Collaborations: Throughout his career, Johnson has collaborated with key figures in the field, including Peter E. Johnson and George W. Kahl. These collaborations highlight the collaborative spirit of innovation, where shared ideas and expertise can lead to groundbreaking advancements in technology.
Conclusion: David Arthur Johnson's patents reflect a profound understanding of firearm mechanics and the needs of users. His inventive solutions, particularly in the areas of magazine adaptability and storage, illustrate his commitment to pushing the boundaries of firearm technology. With 39 patents to his name, Johnson continues to be a notable inventor whose work is shaping the future of the industry.