Again like the two previous John Browning Patents, this one involved a pump action 12 gauge shotgun design. Winchester owned the rights to this design, but never manufactured it. John Moses Browning was granted US Patent 577281 for this design on February 16th, 1897. It had been applied for on March 16th, 1896.

Even though there is not a lot of information available on this patent, it appears from reading the patent description that it provided a safety design preventing the premature opening of the bolt between the time the trigger is engaged and the time the round is expelled.

Like the previous Patent, this was a pump action 12 gauge shotgun design. Another shared feature between this patent and the previous is that they were purchased by Winchester, but never reached production. This design of John Moses Browning’s was granted US Patent 552864 on January 7th, 1896. It was applied for just over a year prior, on November 19th, 1894.

This patent was for a 12 gauge pump shotgun design.  John Moses Browning was granted US Patent 550778 for this design on December 3rd, 1895.  This pump shotgun design was submitted to the US Patent Office on April 29th, 1895.  This design was never produced.

On July 20th, 1886 John Browning was granted US Patent 345882.
He had applied for this patent on May 3rd, 1886. The design was for a Magazine Firearm, more specifically this patent was of a shotgun with a hammer firing mechanism.

Winchester purchased the rights to this Patent, but never manufactured this pump action shotgun design. The Patent Drawings below are absolutely beautiful.

On July 20th, 1886 John Moses Browning was granted US Patent 345881.
He had applied for the patent on December 28th, 1885.

The first of many pump action shotgun designs John Moses Browning would receive a patent for.