Close

Stop Box: Instant-access handgun retention device

The StopBox® is a portable instant-access handgun retention device that does not use batteries, electronics or external keys. The StopBox® hand gesture code lock is instinctive to use in the dark and under stress. Secure your firearm without sacrificing accessibility when you need it the most. Proudly made in America. […]

Read More

Dew Point: Atmospheric Water Generator

Johnston Engineering has had the privilege to work with Dew Point Manufacturing. What we did: Johnston Engineering provided system level design and analysis to take this project from concept to reality. We provided systems engineering and mechanical engineering services including: Schematic design Plumbing and filtration system design Pressure drop analysis […]

Read More