| Patent Number |
Title Of Patent |
Date Issued |
| 5044687 |
Slidable sun visors for automobiles |
September 3, 1991 |
| A sun visor which rotates and slides and is capable of covering top horizontal and slanted parts of a front windshield or a side window of an automobile or a vehicle whenever it is desirable to do so. The rotating motion through a range of angles is facilitated by the rotation of a plate |
| 4987315 |
Hinge mounted and slidable sun visors |
January 22, 1991 |
| This invention introduces sun visors each restricted to cover a side window, or cover a windshield of an automobile. Each visor is mounted to a top part of an automobile by a single hinge and can rotate between a top stored position and a lowered used position. Each visor has a visor pla |
| 4971381 |
Hinge mounted sun visors for automobiles |
November 20, 1990 |
| Sun visors for independently and possibly simultaneously covering parts of the top of one or both of the front windshield and a front side window of an automobile whenever it is desirable to do so. Sun visors can also cover top parts of other windows of an automobile. The visors may be a |
| 4919468 |
Dual sun visors |
April 24, 1990 |
| A pair of sun visors for covering parts of both a front windshield and a front side window of an automobile. The visors may be attached to the automobile with cylindrical rods associated with bracket units, several different types of hinge mechanisms or a clamp and plate arrangement. The |
| 4896893 |
Ice skateboards |
January 30, 1990 |
| An ice skateboard has front and rear trucks with horizontal axles attached thereto for pivotal steering movement of the axles in response to tilting of the skateboard. Each of the horizontal axles has a pair of runner blades attached thereto. An auxiliary blade assembly is attached to ea |
| 4706956 |
Regular polyhedron puzzles |
November 17, 1987 |
| This invention introduces several variations of Regular Polyhedron Puzzles which are improvements, generalizations and extensions to "Rubik's" Cube, "Pyraminx" tetrahedron and the class of puzzles given in the reference cited. The preferred embodiments include octahedron and icosahedron |
| 4674750 |
Dodecahedron class cubic puzzles |
June 23, 1987 |
| Two distinct dodecahedron cubic puzzles, one a Rhombic Dodecahedron Puzzle having twelve diamond faces and the other a Regular Dodecahedron Puzzle having twelve pentagon faces. The ideas involved can be readily applied to other puzzles having newer shapes such as the rhombic triacontahed |
| 4667961 |
Star prism puzzles generalized |
May 26, 1987 |
| This invention extends and generalizes a family of N-pronged (N=3,4,5,6, . . . ) star-based right prism puzzles given in the references cited. Here the overall shapes of the puzzles and the shapes of their various component structures need no longer be right prisms. Futhermore, each |
| 4593907 |
Polyhedral and sperical cubic puzzles |
June 10, 1986 |
| This invention introduces several new Polyhedral Puzzles based on variations and extensions to the 2.times.2.times.2 cube. Spherical and shell analogue puzzles are also disclosed. These puzzles are of "Rubik's" Cube and "Pyraminx" tetrahedron class (Rubik's Cube is a registered trade |
| 4586713 |
Star prism puzzles |
May 6, 1986 |
| This invention introduces a family of N-pronged (N=3,4,5,6, . . . ) star-based right prism puzzles which generalizes puzzles of the "Rubik's" Cube and "Pyraminx" tetrahedron class and of the class of puzzles given in the reference cited. Main features and examples of the puzzles are brie |
