Waikwong Lam

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Tsueng Kwan O, HK

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Patents Grantslast 30 patents

Information Patent Grant
Lighting device configured to operate with different batteries
- Patent number 7,959,317
- Issue date Jun 14, 2011
- Eveready Battery Company, Inc.
- David A Spartano
- F21 - LIGHTING
Information Patent Grant
Lighting device configured to operate with different batteries
- Patent number 7,850,330
- Issue date Dec 14, 2010
- Eveready Battery Co., Inc.
- David A. Spartano
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
Lighting Device Having Pivoting End Cap
- Publication number 20110149562
- Publication date Jun 23, 2011
- Eveready Battery Company, Inc.
- David A. Spartano
- F21 - LIGHTING
Information Patent Application
Lighting Device Configured to Operate with Different Batteries
- Publication number 20110075407
- Publication date Mar 31, 2011
- Eveready Battery Company, Inc.
- David A. Spartano
- F21 - LIGHTING
Information Patent Application
Lighting Device Configured to Operate with Different Batteries
- Publication number 20100046211
- Publication date Feb 25, 2010
- Eveready Battery Company, Inc.
- David A. Spartano
- F21 - LIGHTING