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| Number | Title | Issue Date |
| 5485171 | Hand held computer input apparatus and method A method and system for generating command signals for a computer monitor or other equipment. The system includes at least one pressure responsive potentiometer and a device operatively connected with such potentiometer for generating a command signal ind... | 01/16/1996 |
| 5375398 | Multiposition mowing device A vegetation cutting head is mounted on a tractor by an articulated boom. A hydraulic cylinder attached to the boom rotates the cutting head about an axis transverse to the distal end of the boom. A second hydraulic cylinder rotates the cutting head about... | 12/27/1994 |
