US Patent Issued to Q on Oct. 6 for "Subsonic firearm cartridge" (New Hampshire Inventor)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,753,998, issued on Oct. 6, was assigned to Q LLC (Dover, N.H.).

"Subsonic firearm cartridge" was invented by Ethan Michel Lessard (Dover, N.H.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Firearm cartridges are provided. The firearm cartridge includes a projectile and a cartridge case. The cartridge case includes head, body, shoulder, and neck sections. The cartridge case further includes a case wall. The case wall defines a chamber that extends from the head section to the neck section and has at least a first thickness about the body section and a second thickness about the shoulder section, the second thickness being less than the first thickness. T...