David L. Campana

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Lorain, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Cored wire with particulate material
- Patent number 11,525,168
- Issue date Dec 13, 2022
- P.C. Campana, Inc.
- David L. Campana
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Cored wire with particulate material
- Patent number 10,927,425
- Issue date Feb 23, 2021
- P.C. Campana, Inc.
- David L. Campana
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Riser construction
- Patent number 4,858,673
- Issue date Aug 22, 1989
- Caldo Internationa, Inc.
- Patsie C. Campana
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Fuel package
- Patent number 4,832,703
- Issue date May 23, 1989
- Caldo International, Inc.
- Patsie C. Campana
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
CORED WIRE WITH PARTICULATE MATERIAL
- Publication number 20210123112
- Publication date Apr 29, 2021
- P.C. CAMPANA, INC.
- David L. Campana
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
CORED WIRE WITH PARTICULATE MATERIAL
- Publication number 20190144960
- Publication date May 16, 2019
- P.C. CAMPANA, INC.
- David L. Campana
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...