Paul Yacisin

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Patton, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Tensionable cable bolt with mixing assembly
- Patent number 5,919,006
- Issue date Jul 6, 1999
- Jennmar Corporation
- Frank Calandra
- E21 - EARTH DRILLING MINING
Information Patent Grant
Expansion shell assembly
- Patent number 5,184,923
- Issue date Feb 9, 1993
- Jennmar Corporation
- Frank Calandra
- E21 - EARTH DRILLING MINING
Information Patent Grant
Expansion assembly for mine roof bolts utilized in small diameter b...
- Patent number 4,969,778
- 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
Information Patent Grant
Roof bolt apparatus with expansion shell and coupling
- Patent number 4,679,966
- Issue date Jul 14, 1987
- Jennmar Corporation
- Paul A. Yacisin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Roof support system for a mine and the method and tooling for provi...
- Patent number 4,601,616
- Issue date Jul 22, 1986
- Jennmar Corporation
- Ken Barish
- E21 - EARTH DRILLING MINING