1
John R Chvala: Adjustable stock for a firearm. ATI IP, Andrus Intellectual Property Law, February 17, 2015: US08955245 (21 worldwide citation)

An adjustable stock and cheek rest assembly for a firearm includes a buffer tube extending rearwardly from the firearm at an angle relative to the firearm receiver. A stock is slidably mounted on the buffer tube, and a cheek rest is disposed in overlying relationship to the stock. A cheek rest adjus ...


2
John R Chvala: Side folding stock assembly with concealed hinge arrangement. Advanced Technology International USA, Andrus Intellectual Property Law, February 25, 2014: US08656623 (15 worldwide citation)

A firearm assembly includes a shoulder stock assembly having a hinge arrangement including a first hinge portion mounted within a rear portion of a firearm assembly, and a second hinge portion mounted within the shoulder stock assembly. The shoulder stock assembly and the rear portion of the firearm ...


3
John R Chvala: Foldable and adjustable firearm stock assembly. Advanced Technology International USA, Andrus Sceales Starke & Sawall, June 18, 2013: US08464458 (13 worldwide citation)

A pivotable and length adjustable firearm stock assembly includes a pivot stock having one end provided with a combined pivoting and latching arrangement movable about a horizontal pivot axis and adapted to be pivotally mounted on a rear end of the firearm. An opposite end is provided with a slide m ...


4
John R Chvala: Forend with multiple locator rails. Advanced Technology International USA, Andrus Sceales Starke & Sawall, July 10, 2012: US08215046 (8 worldwide citation)

A mounting arrangement for use with a shotgun or rifle to selectively position accessories along the barrel of the rifle. The mounting arrangement includes a forend and a series of mounting rails that receive the desired accessories. The forend includes a series of locator rails equally positioned a ...


5
John R Chvala: Pistol grip recoil assembly for firearms. Advanced Technology International USA, Andrus Sceales Starke & Sawall, October 22, 2013: US08561338 (7 worldwide citation)

A pistol grip recoil assembly for a firearm includes a rigid grip body formed with rest structure thereon and connected to a firearm. A substantially elastomeric, resilient and deformable grip insert is received in the grip body and forms a shock absorbing, cushioning backstrap engageable with the p ...


6
John R Chvala: Retractable bipod assembly for firearm. Advanced Technology International USA, Andrus Sceales Starke & Sawall, October 29, 2013: US08567106 (5 worldwide citation)

A retractable bipod assembly includes a pair of leg assemblies adapted to support a firearm during shooting thereof. A housing is adapted to be secured on a front portion of the firearm for pivotally mounting the leg assemblies between a folded up, storage position and a folded down, support positio ...


7
John R Chvala: Multi-position stock assembly for stabilizing a stock during adjustment along a buffer tube. Andrus Intellectual Property Law, January 24, 2017: US09551549 (4 worldwide citation)

An adjustable stock assembly for a firearm includes a buffer tube extending rearwardly from a receiver, and provided with a series of recesses formed in a bottom portion thereof. A stock has a front end mounted for longitudinal axial sliding movement along the buffer tube, and a rear end provided wi ...


8
John R Chvala: Single shotgun shell mounting device. Advanced Technology International USA, Andrus Sceales Starke & Sawall, September 10, 2013: US08528245 (4 worldwide citation)

A shotgun mountable shell holder is provided for holding a single shotgun shell therein. The shell holder includes a rigid body having an external mounting surface provided with a track slidably mounted and frictionally retained on a rail arrangement having at least one rail attached externally of a ...


9
John R Chvala: Heatshield accessory for firearms. Advanced Technology International USA, Andrus Intellectual Property Law, February 25, 2014: US08656621 (2 worldwide citation)

A heatshield assembly for a metal barrel of a firearm includes a heatshield body provided with a rear end extending to a front end, and configured to overlie the barrel of the firearm. An insulating mounting arrangement is frictionally attached to and located within the heatshield body. The mounting ...


10
John R Chvala: Shotgun mounting system. Advanced Technology International USA, Andrus Sceales Starke & Sawall, November 27, 2012: US08316569 (2 worldwide citation)

A shotgun mounting system includes a shotgun having a receiver provided with a firing chamber adapted to receive and eject shotgun cartridges therefrom, a shell mounted on and at least partially covering the receiver and a rail arrangement located on the shell and adapted to mount a shotgun accessor ...