Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12130114 | Crossbow | Stephen Donald Langdon, Cole Jessup, Robert G. Dykeman | 2024-10-29 |
| 11768051 | Trigger assembly for a crossbow | Stephen Donald Langdon, Cole Jessup, Robert G. Dykeman | 2023-09-26 |
| 11629943 | Crossbow having trigger mechanism with arrow retention | Stephen Donald Langdon, Cole Jessup | 2023-04-18 |
| 11385033 | Rear arrow nock with retention | Stephen Donald Langdon, Cole Jessup | 2022-07-12 |
| 11143482 | Multiple-shot crossbow | Stephen Donald Langdon, Cole Jessup, Robert G. Dykeman | 2021-10-12 |
| 11015892 | Anti-dry-fire mechanism for a crossbow | Cole Jessup, Stephen Donald Langdon | 2021-05-25 |
| 10830553 | Crossbow with detachable limb assembly | Stephen Donald Langdon | 2020-11-10 |
| 9958232 | Mechanism for drawing, cocking, and triggering a crossbow | Stephen Donald Langdon, Benjamin D. Blosser, Daniel Brassard | 2018-05-01 |