Edmund Isakov

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Latrobe, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Tamping blade with improved inserts
- Patent number 4,903,609
- Issue date Feb 27, 1990
- Kennametal Inc.
- Edmund Isakov
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Grader blade with tiered inserts on leading edge
- Patent number 4,770,253
- Issue date Sep 13, 1988
- Kennametal Inc.
- Robert P. Hallissy
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Rotary percussion drill bit
- Patent number 4,716,976
- Issue date Jan 5, 1988
- Kennametal Inc.
- Edmund Isakov
- E21 - EARTH DRILLING MINING
Information Patent Grant
Grader blade with casting/insert assembly on leading edge
- Patent number 4,715,450
- Issue date Dec 29, 1987
- Kennametal Inc.
- Robert P. Hallissy
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Two-prong rotary bit, especially for use with roof drills, and inse...
- Patent number 4,550,791
- Issue date Nov 5, 1985
- Kennametal Inc.
- Edmund Isakov
- E21 - EARTH DRILLING MINING