John W. Koshak

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Barrington Hills, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
High efficiency shoes for a jack arrester
- Patent number 6,494,298
- Issue date Dec 17, 2002
- Inventio AG
- John W. Koshak
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic brake controller
- Patent number 5,900,596
- Issue date May 4, 1999
- Inventio AG
- John W. Koshak
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Jack arrestor
- Patent number 5,810,119
- Issue date Sep 22, 1998
- John W. Koshak
- B66 - HOISTING LIFTING HAULING