Patents for Sale or License
These issued U.S. patents are offered for sale or license by their owners, who have engaged us to find a buyer or licensee. Each listing summarizes the invention in plain language, describes what the claims cover, and identifies the products and industries where it applies. Inquiries go directly to the firm.
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Rotary-locking cube construction kit
A construction-kit cube that locks to any face of any other cube in the set by turning a rotary disk with a tool, so an assembled structure does not depend on friction to stay together.
For sale or license
View listing: Rotary-locking cube construction kit