For the Inventor, By the Inventor

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Austin, TX, United States of America

Vigilant Devices, Llc.

USPTO Granted Patents = 3

Forward Citations = 70

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2 inventors (with patents filed for the assignee):

David Austin Nelson (3 out of 8 patents)

Alfred Rafi Baddour (1 out of 9 patents)

3 patents: Sort by Forward Citations

1. 9302134 - Systems, apparatuses, and methods for rendering drugs unusable, irretrievable, and suitable for non-regulated waste disposal (2016-04-05),

2. 7184897 - Controlled substance analysis, wastage disposal and documentation system, apparatus and method (2007-02-27),

3. 6868344 - Controlled substance analysis, wastage disposal and documentation system, apparatus and method (2005-03-15),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#664 in Austin, TX

#4,680 in Texas

#72,003 in US

Austin, TX, United States of America

Vigilant Devices, Llc.

Forward Citations = 70

2 inventors:

David Austin Nelson (3 out of 8 patents)

Alfred Rafi Baddour (1 out of 9 patents)

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