John Haller

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Triesen Furstentum, FL

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Patents Grantslast 30 patents

Information Patent Grant
Simultaneously expanding and contracting annular coupling device
- Patent number 3,995,967
- Issue date Dec 7, 1976
- Michigan Powdered Metal Products, Inc.
- John Haller
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Shaft-supported composite high-strength machine element and method...
- Patent number 3,962,772
- Issue date Jun 15, 1976
- Michigan Powdered Metal Products, Inc.
- John Haller
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...