Company Filing History:
1 out of 1 
2 out of 832,812 Years Active: 1994-1998
Title: Innovations by Roger B Johnston
Introduction
Roger B Johnston is an accomplished inventor based in Lafayette, CA (US). He has made significant contributions to the field of firearm technology, particularly in the application of lubricants and abrasives for enhancing gun barrel performance. With a total of 3 patents, his work reflects a deep understanding of both mechanical engineering and practical firearm maintenance.
Latest Patents
One of Johnston's notable patents is the "Apparatus and method for applying dry lubricant to cartridge case necks." This invention provides a convenient method for applying a dry sliding lubricant to both the interior and exterior surfaces of cartridge case necks prior to sizing. Another significant patent is the "Method of applying abrasives to bullets for use in pressure (fire)." This method allows for the lapping of gun barrels on fully assembled firearms using cartridges fitted with lapping bullets that are impregnated with abrasive materials. The process ensures an even impregnation of abrasive on the bullets, which minimizes deformation and enhances the accuracy of the gun barrel.
Career Highlights
Throughout his career, Roger B Johnston has worked with various companies, including Neco/Nostalgia Enterprises Co. His innovative approaches have led to advancements in firearm maintenance and performance, showcasing his expertise in the field.
Collaborations
Johnston has collaborated with notable individuals such as Merrill D Martin and Howard E Harrison. These partnerships have contributed to the development of his patents and the refinement of his inventions.
Conclusion
Roger B Johnston's contributions to firearm technology through his patents demonstrate his innovative spirit and technical expertise. His work continues to influence the industry, providing practical solutions for firearm maintenance and performance enhancement.