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For the Inventor, By the Inventor

Eveleigh, Australia

Colloidal Dynamics Pty Ltd.


USPTO Granted Patents = 3

% Expired Patents = 33.3


Forward Citations = 31

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2 inventors (with patents filed for the assignee):

goldMedal Richard W O'Brien (3 out of 3 patents)

silverMedal David W Cannon (1 out of 3 patents)

bronzeMedal Richard Wyndham O'brien (0 patent)


3 patents:

1. 6898978 - Geometry for pulsed acoustic measurements of particle size (2005-05-31),
2. 5616872 - Particle size and charge measurement in multi-component colloids (1997-04-01),
3. 5059909 - Determination of particle size and electrical charge (1991-10-22),
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USPTO Data Jan 1 1976 - Sep 22 2026

3 Patents

#6 in Eveleigh

#1,408 in Australia

Eveleigh, AU
Eveleigh, Australia

Colloidal Dynamics Pty Ltd.

Forward Citations = 31

2 inventors:

goldMedal Richard W O'Brien (3 out of 3 patents)

silverMedal David W Cannon (1 out of 3 patents)

bronzeMedal Richard Wyndham O'brien (0 patent)

Please report any incorrect information to [email protected]
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