Inventor

Robert Marshall Campbell

Inventor
US

Overview

16→
Patents
2021–2025
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 16 as inventor

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

F41Gprimary
F41GWeapon sights26%
F41JTargets13%
H04NPictorial communication, e.g. television13%
E02BHydraulic engineering9%
F41CSmallarms, e.g. pistols, rifles9%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them9%
C02FTreatment of water, waste water, sewage, or sludge6%
Y02ATechnologies for adaptation to climate change6%
B63BShips or other waterborne vessels4%
H04MTelephonic communication4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2025Patents assigned to HOOKSHOTTACTICAL LLC (3)· patent assignee history
2021–2025Based in US· patent location history
2022–2025Patents assigned to CAMPBELL ROBERT MARSHALL (13)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CAMPBELL ROBERT MARSHALLself132022–2025
HOOKSHOTTACTICAL LLC32021–2025
Locations
LocationPatentsSpan
US162021–2025