Harold W. Halpin

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Glendale, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and methods for forming a finger-engaging portion in a st...
- Patent number 9,468,964
- Issue date Oct 18, 2016
- Station 4 LLC
- Harold W. Halpin
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Apparatus and methods for forming a finger-engaging portion in a st...
- Patent number 8,490,460
- Issue date Jul 23, 2013
- Harold W. Halpin
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Apparatus and methods for forming a finger-engaging portion in a st...
- Patent number 8,127,588
- Issue date Mar 6, 2012
- Harold W. Halpin
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...