Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11137223 | Non-semiautomatic weapon and semiautomatic to non-semiautomatic conversion device | Richard Bert Christiansen | 2021-10-05 |
| 9791242 | Methods and systems for concealing light | Richard Bert Christiansen | 2017-10-17 |
| 9714812 | Devices for eliminating position disclosing light emitted by a laser | Richard Bert Christiansen | 2017-07-25 |