Kai C Yau

This inventor holds 8 USPTO granted patents. Top assignees: Rayovac Corporation, World Hint Limited, Practical Products Mfg. Ltd.. Active years: 1993-1999.

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 1.2

ph-index = 7

Forward Citations = 155(Granted Patents)

Company Filing History:

Practical Products Mfg. Ltd.

patents

Years Active: 1993-1999

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5993022 - Multi-pivot flashlight (1999-11-30),

2. D411023 - Flashlight (1999-06-15),

3. D401372 - Flashlight body (1998-11-17),

4. D356175 - Flashlight (1995-03-07),

5. D349355 - Flashlight (1994-08-02),

6. D349354 - Flashlight (1994-08-02),

7. D336966 - Flashlight (1993-06-29),

8. D336965 - Flashlight (1993-06-29),

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