Michael Cokus

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Sarver, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Flange nut for mine roof bolt
- Patent number 6,619,888
- Issue date Sep 16, 2003
- Jennmar Corporation
- Frank Calandra
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Rebar with vanadium alloy
- Patent number 5,851,481
- Issue date Dec 22, 1998
- Jennmar Corporation
- John C. Stankus
- E21 - EARTH DRILLING MINING
Information Patent Grant
Expansion assembly for mine roof bolts utilized in small diameter b...
- Patent number 4,969,778
- Issue date Nov 13, 1990
- Jennmar Corporation
- Frank Calandra
- E21 - EARTH DRILLING MINING
Information Patent Grant
Expansion assembly for mine roof bolts utilized in small diameter b...
- Patent number 4,904,123
- Issue date Feb 27, 1990
- Jennmar Corporation
- Frank Calandra
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Flange nut
- Publication number 20010026746
- Publication date Oct 4, 2001
- Frank Calandra
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...