LU

Larry Cullen Underwood

LC L.L. Culmat: 2 patents #3 of 4Top 75%
📍 Canton, GA: #5 of 304 inventorsTop 2%
🗺 Georgia: #213 of 35,610 inventorsTop 1%
Overall (All Time): #42,336 of 4,157,543Top 2%
57
Patents All Time

Issued Patents All Time

Showing 1–25 of 57 patents

Patent #TitleCo-InventorsDate
12359886 Muzzle device assemblies James Matthew Underwood 2025-07-15
12313373 Handguard assembly James Matthew Underwood 2025-05-27
12305943 Firearm operating mechanisms and bolt release James Matthew Underwood 2025-05-20
12253329 Handguard James Matthew Underwood 2025-03-18
12241703 Firearm operating system James Matthew Underwood 2025-03-04
12241700 Ejector for firearm James Matthew Underwood 2025-03-04
12215942 Hybrid molded firearm assemblies James Matthew Underwood 2025-02-04
12146717 Roller delayed firearm operating system James Matthew Underwood 2024-11-19
12140395 Firearm loader James Matthew Underwood 2024-11-12
12140394 Polymer firearm receiver James Matthew Underwood 2024-11-12
12141113 Electronic threat assessment system James Matthew Underwood, Davidson Glenn Lucas 2024-11-12
12050078 Ratcheting magazine assembly James Matthew Underwood 2024-07-30
12025391 Roller and bearing delayed firearm operating systems James Matthew Underwood 2024-07-02
12018908 Monolithic upper receiver assembly James Matthew Underwood 2024-06-25
D1020966 Firearm receiver James Matthew Underwood 2024-04-02
11927415 Hybrid ambidextrous receiver James Matthew Underwood 2024-03-12
11906263 Folding stock assemblies James Matthew Underwood 2024-02-20
11846476 Ejector for firearm James Matthew Underwood 2023-12-19
11828550 Polymer firearm receiver James Matthew Underwood 2023-11-28
11796269 Firearm operating mechanisms and bolt release James Matthew Underwood 2023-10-24
11781824 Roller delayed firearm operating system James Matthew Underwood 2023-10-10
11768044 Charging handle assemblies James Matthew Underwood 2023-09-26
11725902 Folding stock assemblies James Matthew Underwood, Andrew Price Biskup 2023-08-15
11725895 Firearm operating system James Matthew Underwood 2023-08-15
D993347 Firearm grip James Matthew Underwood 2023-07-25