ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,950, issued on Aug. 4.
"Laser cartridge for dryfire training" was invented by Stanley H. Seigler (Kamiah, Idaho).
According to the abstract* released by the U.S. Patent & Trademark Office: "This is a cartridge shaped laser dry fire training device that can be inserted into the chamber of a firearm and used for demonstrating where the simulated shots strike during each trigger press of a dry fire practice session when coupled with the DryFireMag training device as disclosed in U.S. Pat. No. 9,182,189 B2. The laser dry fire training device preferably is composed of a red diode laser, a set of batteries, and electronic PC board, a lens to allow the infrared light emitted by the diode...