Inventor

Stephen Donald Langdon

Inventor
Arthur, CA

Overview

3→
Patents
2018–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F41Bprimary
F41BWeapons for projecting missiles without use of explosive or combustible propellant charge100%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2018–2020Patents assigned to EXCALIBUR CROSSBOW INC (3)· patent assignee history
2018–2020Based in Arthur, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EXCALIBUR CROSSBOW INC32018–2020
Locations
LocationPatentsSpan
Arthur, CA32018–2020