Patents

The concept behind Trebl (toy) construction brick sets is covered by the following patent applications: 

Utility patents

US17/375,232 Building Components and Building Set

Design patents

US29/788,313 Sphere Section Building Component

US29/788,312 Arc Shaped Building Component

US29/788,311 Section of a Torus Building Component

US29/788,576 Prism Section Building Component