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US Patent: 5,088,691
Hydraulic apparatus including a hydraulic fluid control cartridge
Patentees:
James B. Ballard (exact or similar names) - Waukesha, WI
Charles E. Naber (exact or similar names) - Waukesha, WI

USPTO Classifications:
254/124, 254/8R

Tool Categories:
material handling : engine and transmission hoists
trade specific : vehicle repairer : vehicle mechanic

Assignees:
Hein-Werner Corp. - Waukesha, WI

Manufacturer:
Hein-Werner Corp. - Waukesha, WI

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 06, 1986
Granted: Feb. 18, 1992

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Hein-Werner Corp.

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