US10994569B2 - Angle Trisector, as Validated to Perform Accurately Over a Wide Range of Device Settings by a Novel Geometric Forming Process; Also Capable of Portraying Finite Lengths That Only Could Be Approximated by Means of Otherwise Applying a Compass and Straightedge to a Given Length of Unity; That Furthermore Functions as a Level Whose Inherent Geometry Could Be Adapted for Many Other Uses Such as Being Incorporated into the Design of a Hydraulic Car Lift | Patent Bear