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 26–50 of 57 patents

Patent #TitleCo-InventorsDate
11674765 Firearm loader James Matthew Underwood 2023-06-13
11578937 Ratcheting magazine assembly James Matthew Underwood 2023-02-14
11561073 Light weight ammunition and firearm systems James Matthew Underwood 2023-01-24
11543196 Monolithic upper receiver assembly James Matthew Underwood 2023-01-03
11543195 Roller and bearing delayed firearm operating systems James Matthew Underwood 2023-01-03
11536530 Hybrid molded firearm assemblies James Matthew Underwood 2022-12-27
11530888 Magazine follower James Matthew Underwood 2022-12-20
11466945 Charging handle assemblies James Matthew Underwood 2022-10-11
11460262 Malfunction simulation insert James Matthew Underwood 2022-10-04
11441870 Forward brace assembly James Matthew Underwood 2022-09-13
11441859 Hybrid ambidextrous receiver James Matthew Underwood 2022-09-13
11421954 Firearm operating system James Matthew Underwood 2022-08-23
11371789 Roller delayed firearm operating system James Matthew Underwood 2022-06-28
11353275 Low friction inserts for bolt carrier group James Matthew Underwood 2022-06-07
11280570 Firearm operating mechanisms and bolt release James Matthew Underwood 2022-03-22
D943702 Firearm receiver James Matthew Underwood 2022-02-15
11112197 Pivot pin James Matthew Underwood 2021-09-07
11112194 Firearm lock James Matthew Underwood 2021-09-07
11067351 Ratcheting magazine assembly James Matthew Underwood 2021-07-20
11054202 Magazine follower James Matthew Underwood 2021-07-06
10852083 Buffer extension James Matthew Underwood 2020-12-01
10830558 Buttstock lock release lever pin assembly James Matthew Underwood 2020-11-10
10809028 Magazine structure and insert James Matthew Underwood 2020-10-20
10739095 Firearm operating system James Matthew Underwood 2020-08-11
10670360 Hybrid molded firearm assemblies James Matthew Underwood 2020-06-02