Trio: The on-The-go Dual & Triple Screen Laptop Monitor, Full HD 1080P IPS Display, USB A/Type-C Power, Compatible with Mac, PC, Chrome 13”-17” Laptops (Trio Max - 14" Screen, One Monitor) :
This Triple-Display Laptop Expands Its 3 Screens on Its Own
Review: FOPO's 'triple' laptop monitor is a road warrior's dream tool | PCWorld
Razer Project Valerie is a gaming laptop with three screens - CNET
DIY Project Valerie: BUILD YOUR OWN 3 Screen Laptop!! - YouTube
Teamgee Portable Monitor for Laptop, 12” Full HD IPS Display, Dual Triple Monitor Screen Extender, HDMI/USB-A/Type-C Plug and Play for Windows, Chrome & Mac, Work with 13”-16” Laptops : Amazon.ca: Electronics
Razer 3-screen laptop - YouTube
Razer Project Valerie - Triple Display Laptop | Razer United States
Trio & Trio Max: Upgraded triple-screen laptop monitors by Mobile Pixels Inc — Kickstarter