For the Inventor, By the Inventor

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Pittsburgh, PA, United States of America

Pht, Inc.

USPTO Granted Patents = 2

Forward Citations = 31

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4 inventors (with patents filed for the assignee):

Christopher Crowley (1 out of 1 patent)

Stephen A Raymond (1 out of 10 patents)

Kristjan Tomas Gunnarsson (1 out of 1 patent)

4. James Simpson Hemmerle (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 8273019 - Clinical investigation data logging with contextual time shifting (2012-09-25),

2. 5929584 - Tool center point calibration apparatus and method (1999-07-27),

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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#434 in Pittsburgh, PA, undefined

#3,360 in

#92,554 in US

Pittsburgh, PA, United States of America

Pht, Inc.

Forward Citations = 31

4 inventors:

Christopher Crowley (1 out of 1 patent)

Stephen A Raymond (1 out of 10 patents)

Kristjan Tomas Gunnarsson (1 out of 1 patent)

4. James Simpson Hemmerle (1 out of 1 patent)

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