David P. Kovarik

Follow

Person

Eastlake, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Aluminum welding process and mixture of reactants for use in such p...
- Patent number 5,171,378
- Issue date Dec 15, 1992
- Erico International Corporation
- David P. Kovarik
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Exothermic welding apparatus and method
- Patent number 4,889,324
- Issue date Dec 26, 1989
- Erico International Corporation
- Denis A. Brosnan
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Exothermic welding and method
- Patent number 4,885,452
- Issue date Dec 5, 1989
- Erico International Corporation
- Michael D. Amos
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Exothermic welding apparatus including a baffle cover assembly
- Patent number 4,881,677
- Issue date Nov 21, 1989
- Erico International Corporation
- Michael D. Amos
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Exothermic welding apparatus and method
- Patent number 4,879,452
- Issue date Nov 7, 1989
- Erico International Corporation
- David P. Kovarik
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR