You will find that Klixon is the brand, and it is a name I have long trusted.
Klixon Motor Starting Relay 9660-083-152 For Tecumseh 1/6HP S64 S68 S6814
The Klixon brand sits right on this general purpose relay, and that detail really caught my eye.
You will find that the Klixon brand is part of this relay, and that makes sense.