SL

Stephen Donald Langdon

EC Excalibur Crossbow: 2 patents #1 of 4Top 25%
📍 Arthur, CA: #1 of 1 inventorsTop 100%
Overall (2023): #106,037 of 537,848Top 20%
2
Patents 2023

Issued Patents 2023

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
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