Ralph
Ralph is one of many merchants. Located in Gunrunners. You can buy Energy Weapons and Blueprint from him.
Note: You have to have one of the combat skills at 50% otherwise he will refuse to talk to you.
Sells the Following Blueprints:
Laser Rifle - 20000
Plasma Pistol - 17500
Plasma Rifle - 25000
Ripper - 7000
Super Sledge - 7500
Super Cattle Prod - 10000
Mega Power Fist - 15000