Aha, you're right, the inventor is still around, however a guy bought Segway and it was him who died off a cliff.

Segway company owner rides segway off cliff and dies

My dog does also barks at the doorbell. We can be inside, open the door, and ring the bell and he'll start barking

Our dog is the opposite, you can ring the bell all you want and he'll ignore it, it's when somebody (from his perspective) just appears in the house that it freaks him out.

He still hasn't attributed the noise of the bell with someone about to come in the house 😂🤣😂

Cg