US Patent Issued to GREER STEEL on June 17 for "Steel compositions, methods of manufacture and uses in producing rimfire cartridges" (Ohio, Hawaii Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,372, issued on June 17, was assigned to GREER STEEL COMPANY (Dover, Ohio).

"Steel compositions, methods of manufacture and uses in producing rimfire cartridges" was invented by Douglas B. Campbell (Waikoloa, Hawaii) and Todd Daenzer (New Philadelphia, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates generally to steel compositions, methods of manufacturing the compositions and using the compositions to produce rimfire ammunition cartridges. The steel compositions for use in the rimfire cartridges are processed through cold-rolling and annealing steps to create suitable physical properties."

The patent was filed on J...