Patents/Inventors

Derrik Lee Roll

Columbia, MOUS4 patents

5 Patents

USD10232152024
Magazine for Firearm
22 Evolution LLC
0 cites
USD10209702024
Magazine for Firearm
22 Evolution LLC
0 cites
US116685382023
Compact Action with Forward Charging Handle Incorporated Into an Upper Receiver Handguard
22 EVOLUTION LLC
0 cites
USD09877632023
Magazine for Firearm
22 EVOLUTION LLC
0 cites
US116621662023
Reinforced Magazine Feed Lips with Rear Actuated Last Round Bolt Hold Open and Follower
22 EVOLUTION LLC
0 cites