James K. Butzen

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Grayslake, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Sander
- Patent number D324800
- Issue date Mar 24, 1992
- Snap-on Tools Corporation
- James K. Butzen
- D08 - Tools and hardware
Information Patent Grant
Orbital sander
- Patent number D324803
- Issue date Mar 24, 1992
- Snap-on Tools Corporation
- James K. Butzen
- D08 - Tools and hardware
Information Patent Grant
Ratchet tool with flattened pocket
- Patent number 5,022,289
- Issue date Jun 11, 1991
- Snap-on Tools Corporation
- James K. Butzen
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Valve assembly and method
- Patent number 4,903,944
- Issue date Feb 27, 1990
- Snap-on Tools Corporation
- James K. Butzen
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Fluid driven rotary motor
- Patent number 4,898,524
- Issue date Feb 6, 1990
- Snap-on Tools Corporation
- James K. Butzen
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Cover for pneumatic tool
- Patent number 4,879,847
- Issue date Nov 14, 1989
- Snap-on Tools Corporation
- James K. Butzen
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS