Location History:
- Silvis, IL (US) (1997 - 2000)
- Geneseo, IL (US) (2002 - 2005)
Company Filing History:
2 out of 10 
3 out of 832,761 Years Active: 1997-2005
Title: Mark A Westrom: Innovator in Firearm Cartridge Technology
Introduction
Mark A Westrom is a notable inventor based in Geneseo, IL (US). He has made significant contributions to the field of firearm technology, particularly in the design of cartridges. With a total of 5 patents to his name, Westrom's innovations have enhanced the functionality and safety of firearms.
Latest Patents
Westrom's latest patents include a cartridge for firearms that features a bullet connected to a casing. The casing is designed with a cylindrical wall that extends to an end member opposite the bullet. This design includes a hollow interior formed by the wall and the end member, along with means for receiving a priming composition. Additionally, it incorporates means for compressing the priming composition, which is engaged by a firing pin contacting the end member. Another patent focuses on a cartridge capable of firing 0.22 caliber rimfire cartridges. This cartridge also includes a bullet connected to a casing, with a cylindrical wall extending to an end member. A flange extends radially outward from the cylindrical wall at the end member, and a projection connected with the wall extends inwardly into the hollow interior. A recess for receiving the priming composition is formed by the projection and the end member, along with a firing pin designed for this specific cartridge.
Career Highlights
Throughout his career, Westrom has worked with various companies, including Armalite, Inc. His experience in the industry has allowed him to develop innovative solutions that address the needs of firearm users.
Collaborations
Westrom has collaborated with notable individuals such as George L Reynolds and S Paul Reynolds. These partnerships have contributed to the advancement of his inventions and the overall development of firearm technology.
Conclusion
Mark A Westrom's contributions to firearm cartridge technology demonstrate his commitment to innovation and safety in the industry. His patents reflect a deep understanding of the mechanics involved in firearm operation, making him a significant figure in this field.