Josh Kesselman’s inventions range from a new flame lighter with a screen to stave off wind to a line of ultrathin rolling papers. Now the founder of the Phoenix-based rolling-paper maker Raw wants to ...

With his shaggy black hair flopping over his forehead, Josh Kesselman propels a joint-shaped skateboard through the labyrinthine aisles of a Phoenix warehouse. It’s something of a stoner’s paradise: ...