Assignee: Cook Manufacturing Corporation

Location: Duncan, OK
No. of patents: 4

Number	Title	Issue Date
6789648	Retractable ladder assembly A retractable ladder assembly for marine applications having a frame and a ladder having a pair of channel members pivotally connected to the frame and extendible there from in a vertical position and in a horizontal position. A plurality of rung members extend betw...	09/14/2004
6662559	Hydraulic actuator The present invention provides a hydraulic actuator suitable for use in marine and other harsh environments. In the presently preferred embodiment, the hydraulic actuator includes a motor that is coupled to a pump assembly that is configured to displace h...	12/16/2003
5181835	Hydraulic pump A hydraulic pump having a pump body formed by stacked plates mounted end-to-end. First and second ports for delivery and return of hydraulic fluid are formed through a port plate that is surmounted by a valve plate through which first and second main valv...	01/26/1993
4907163	System for controlling an NC machine from a PC type computer Disclosed is a system for controlling a numerically controlled machine tool sysem from a PC type computer system of the kind using an 8088 microprocessor chip and 8-bit words. The system includes an inverter timing board which is inserted into the PC equi...	03/06/1990

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