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Ken Olsen, chairman and founder of Digital Equipment Corporation ; 1977
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| Number | Title | Issue Date |
| 6971834 | Redundant support systems for stowable passenger lift assemblies A wheelchair lift (20) for a vehicle is disclosed. The wheelchair lift includes a lift platform (22) coupled to a support structure (32) by an attachment assembly (74). The lift platform is reciprocal between a stowed position and an exte... | 12/06/2005 |
| 6932433 | Hopper closure assembly and method of using same A closure mechanism for a hopper bottom trailer which utilizes potential and kinetic energy of granular material in the hopper. The hopper closure assembly may have an angled member upon a gate that translates kinetic energy for moving granular material into longitu... | 08/23/2005 |
| 5397210 | Safety block A safety block is disclosed which may be attached to the rearward end of the cargo bed of a pipe truck which has a powered pipe lift. The safety block includes a bar which automatically raises when pipe is being unloaded using the powered pipe lift and fo... | 03/14/1995 |
| 4264260 | Spare wheel carrier for pickup trucks A spare-wheel carrier is provided for mounting to the underside of a pickup truck adjacent the rear end thereof. The carrier is comprised of an elongated support beam which mounts to the frame of the vehicle in a manner to be disposed parallel to the whee... | 04/28/1981 |