| Patent Number |
Title Of Patent |
Date Issued |
| 4901969 |
Book support with means of temporary attachment onto a desk |
February 20, 1990 |
| A device capable of being clamped onto a peripheral edge of a desk or table, that can support reading material in either a horizontal or elevated position for convenient viewing. Said device is composed of a backrest 10 with lower lip 12 that will hold reading material, and spring-lo |
| 4895253 |
Locking device for restricting the viewing of video cassettes |
January 23, 1990 |
| A device that can be easily and temporarily locked onto a video cassette to prevent insertion of said video cassette into video equipment. Said device consists of a stiff but flexible locking band 2 shaped to fit widthwise around a video cassette, provisions for securing said locking ban |
| 4685928 |
Artificial arm and hand assembly |
August 11, 1987 |
| An artificial arm capable of being used as a prosthesis on a human body and controlled through activating sensors secured to the human body adjacent the attachment site of the artificial arm and operating a plurality of drive motors. Three independent drive motors are mounted between |
