Uniform Prism is Isogonal
Theorem
Let $P$ be a uniform prism.
Then $P$ is isogonal.
Proof
Recall the definition of Uniform Prism:
A uniform prism is a regular prism whose lateral faces are square.
Hence $P$ is a regular prism a fortiori.
From Regular Prism is Isogonal, $P$ is isogonal.
Hence the result.
$\blacksquare$