Jerry E. Frease

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Lexington, KY, US

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Patents Grantslast 30 patents

Information Patent Grant
Mechanical truss wrench
- Patent number 5,505,562
- Issue date Apr 9, 1996
- Jennmar Corporation
- John C. Stankus
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for fabricating a truss member for a mine roof support
- Patent number 5,450,663
- Issue date Sep 19, 1995
- Jennmar Corporation
- Frank Calandra
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for supporting a mine roof
- Patent number 5,302,056
- Issue date Apr 12, 1994
- Jennmar Corporation
- Frank Calandra
- E21 - EARTH DRILLING MINING
Information Patent Grant
Expansion assembly
- Patent number 5,244,314
- Issue date Sep 14, 1993
- Jennmar Corporation
- Frank Calandra
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mine roof anchor having adjustable resin retaining washer and expan...
- Patent number 5,082,399
- Issue date Jan 21, 1992
- Jennmar Corporation
- Jerry E. Frease
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mine roof anchor assembly having an expansion shell assembly with a...
- Patent number 5,076,733
- Issue date Dec 31, 1991
- Jennmar Corporation
- Jerry E. Frease
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Delay stopper for a mine roof anchor and method of manufacture thereof
- Patent number 5,064,312
- Issue date Nov 12, 1991
- Jennmar Corporation
- Frank Calandra
- E21 - EARTH DRILLING MINING