SL

Stephen Donald Langdon

EC Excalibur Crossbow: 9 patents #1 of 6Top 20%
📍 Arthur, CA: #2 of 7 inventorsTop 30%
Overall (All Time): #548,921 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
12130114 Crossbow Kyle William Egerdee, Cole Jessup, Robert G. Dykeman 2024-10-29
11768051 Trigger assembly for a crossbow Kyle William Egerdee, Cole Jessup, Robert G. Dykeman 2023-09-26
11629943 Crossbow having trigger mechanism with arrow retention Kyle William Egerdee, Cole Jessup 2023-04-18
11385033 Rear arrow nock with retention Kyle William Egerdee, Cole Jessup 2022-07-12
11143482 Multiple-shot crossbow Kyle William Egerdee, Cole Jessup, Robert G. Dykeman 2021-10-12
11015892 Anti-dry-fire mechanism for a crossbow Cole Jessup, Kyle William Egerdee 2021-05-25
10830553 Crossbow with detachable limb assembly Kyle William Egerdee 2020-11-10
10041755 Safety wrist strap for a crossbow crank handle Benjamin D. Blosser 2018-08-07
9958232 Mechanism for drawing, cocking, and triggering a crossbow Kyle William Egerdee, Benjamin D. Blosser, Daniel Brassard 2018-05-01