For the Inventor, By the Inventor

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Edmonton, Canada

R.d. Corporation Ltd.

USPTO Granted Patents = 5

EPO Patents = 1

Forward Citations = 45

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11 inventors (with patents filed for the assignee):

Phillip H Pearson (1 out of 1 patent)

Robert Dworkowski (1 out of 2 patents)

Russell D Keller (1 out of 16 patents)

4. Hiroyuki Hiraoka (1 out of 2 patents)

5. Rong-Fu Xiao (1 out of 1 patent)

6. Stefan A Latsch (1 out of 1 patent)

7. Romulad Stoncel (1 out of 1 patent)

8. Jack Lau (1 out of 1 patent)

9. Christopher C Nguyen (1 out of 1 patent)

10. Ping Ko (1 out of 1 patent)

11. Philip C Chan (1 out of 1 patent)

12. Shopova Daniela Lubenova (0 patent)

5 patents: Sort by Forward Citations

1. 8763684 - Mechanical mud bucket and method (2014-07-01),

2. 5649685 - Exhaust muffler bracket apparatus (1997-07-22),

3. 5514899 - Dual-emitter lateral magnetometer (1996-05-07),

4. 5402691 - Gantry-style apparatus for positioning a working member with respect to (1995-04-04),

5. 5368681 - Method for the deposition of diamond on a substrate (1994-11-29),

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USPTO Data Jan 1 1976 - Dec 9 2025

5 Patents

#46 in Edmonton

#2,750 in Canada

Edmonton, Canada

R.d. Corporation Ltd.

Forward Citations = 45

11 inventors:

Phillip H Pearson (1 out of 1 patent)

Robert Dworkowski (1 out of 2 patents)

Russell D Keller (1 out of 16 patents)

4. Hiroyuki Hiraoka (1 out of 2 patents)

5. Rong-Fu Xiao (1 out of 1 patent)

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