Ronald L. Knak

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Wichita, KS, US

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Patents Grantslast 30 patents

Information Patent Grant
Grating system
- Patent number 7,946,784
- Issue date May 24, 2011
- Balco, Inc.
- Ronald L. Knak
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Expansion joint cover
- Patent number 6,962,026
- Issue date Nov 8, 2005
- Balco, Inc.
- Ronny L. Knak
- E04 - BUILDING
Information Patent Grant
Grate assembly
- Patent number 6,942,419
- Issue date Sep 13, 2005
- Balco, Inc.
- Ronny L. Knak
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Expansion joint cover
- Patent number 6,581,347
- Issue date Jun 24, 2003
- Balco, Inc.
- Ronny L. Knak
- E04 - BUILDING
Information Patent Grant
Parking garage expansion joint cover
- Patent number 6,115,980
- Issue date Sep 12, 2000
- Balco/Metalines
- Ron Knak
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
GRATING SYSTEM
- Publication number 20110008104
- Publication date Jan 13, 2011
- Balco, Inc.
- Ronald L. Knak
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
Expansion joint cover
- Publication number 20030154677
- Publication date Aug 21, 2003
- Ronny L. Knak
- E04 - BUILDING
Information Patent Application
Grate assembly
- Publication number 20030147693
- Publication date Aug 7, 2003
- Ronny L. Knak
- E03 - WATER SUPPLY SEWERAGE