According to this, plaintiff Hasten sells the most expensive mattress in the world, and defendant Kluft sells the most expensive US mattress.
Hastens has registrations for the plaid pattern.
More pictures of expensive mattresses here.
[embeddoc url=”https://www.schwimmerlegal.com/wp-content/uploads/sites/833/2017/03/hastens-v-kluft-complaint-1.pdf”]