Polk, a 1977 graduate of Texas A&M University, is the owner and founder of RNP Solutions.
In 1986, he
where he invented and developed the first dedicated weapon-mount
target illumination system. He later combined target
illumination with laser aiming , both visible and infrared.
He was the
first to develop a detachable rail system to attach wide variety
of equipment to the weapon.
other systems were developed in conjunction with and used by
a wide variety of both law enforcement and military