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Herman G. Muenchinger
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South Dartmouth, MA, US
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last 30 patents
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Patent Grant
Dies for making thread-forming screw with step taper
Patent number
4,255,959
Issue date
Mar 17, 1981
Research Engineering & Manufacturing, Inc.
Herman G. Muenchinger
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Thread-forming screw with step taper
Patent number
4,194,430
Issue date
Mar 25, 1980
Research Engineering & Manufacturing, Inc.
Herman G. Muenchinger
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Thread-forming fastener having dual lobulation and dies for making...
Patent number
4,040,328
Issue date
Aug 9, 1977
Research Engineering & Manufacturing, Inc.
Herman G. Muenchinger
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...