For the Inventor, By the Inventor

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Hong Kong, China

Toolz, Ltd.

USPTO Granted Patents = 11

Forward Citations = 189

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21 inventors (with patents filed for the assignee):

Christopher Tacklind (6 out of 33 patents)

Andrew G Butler (5 out of 33 patents)

Eugene F Duval (3 out of 83 patents)

4. Thomas Zimmerman (3 out of 3 patents)

5. Chad Thompson (2 out of 3 patents)

6. Aragon Burlingham (2 out of 4 patents)

7. Jonathan Carver (2 out of 3 patents)

8. William F Carlsen, Jr (2 out of 8 patents)

9. Robert Alden Lewis (2 out of 18 patents)

10. William Robert Burnett (2 out of 10 patents)

11. David C Shafer (2 out of 52 patents)

12. George R Varian (2 out of 14 patents)

13. Zinovy Dolgonosov (1 out of 16 patents)

14. Daniel Thomas Adams (1 out of 53 patents)

15. Wolfgang Ott (1 out of 27 patents)

11 patents: Sort by Forward Citations

1. 6950177 - Constructing a waveform from multiple threshold samples (2005-09-27),

2. 6878954 - Detecting tool orientation, alignment, depth, and leveling (2005-04-12),

3. 6848188 - Laser alignment device providing multiple references (2005-02-01),

4. 6829043 - Distance measurement device with short distance optics (2004-12-07),

5. 6804892 - Alignment device with multiple spring systems (2004-10-19),

6. 6741343 - Level with angle and distance measurement apparatus (2004-05-25),

7. 6657788 - Methods and apparatus for laser device adjustment (2003-12-02),

8. 6625895 - Servo-controlled automatic level and plumb tool (2003-09-30),

9. 6591510 - Method and apparatus for securing and aligning bubble vials (2003-07-15),

10. 6542304 - Laser beam device with apertured reflective element (2003-04-01),

11. 6459483 - Level with angle and distance measurement apparatus (2002-10-01),

Toolz, Ltd. is a leading provider of innovative tools and solutions for professionals in various industries. Our products are designed to improve efficiency, productivity, and accuracy in daily tasks. With a commitment to quality and customer satisfaction, Toolz, Ltd. continues to be a trusted partner for businesses worldwide.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

11 Patents

#278 in Hong Kong

#2,241 in China

#50,159 in the World

Hong Kong, China

Toolz, Ltd.

Forward Citations = 189

21 inventors:

Christopher Tacklind (6 out of 33 patents)

Andrew G Butler (5 out of 33 patents)

Eugene F Duval (3 out of 83 patents)

4. Thomas Zimmerman (3 out of 3 patents)

5. Chad Thompson (2 out of 3 patents)

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