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For the Inventor, By the Inventor

Johannesburg, South Africa

Trolley Scan (Proprietary) Limited


USPTO Granted Patents = 3

% Expired Patents = 33.3

Forward Citations = 119

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2 inventors (with patents filed for the assignee):

goldMedal Michael John Camille Marsh (3 out of 3 patents)

silverMedal Trevor M Hodson (2 out of 10 patents)


3 patents:

1. 6909366 - Multi-dimensional electronic identification of articles (2005-06-21),
2. 6621467 - Energy transfer in an electronic identification system (2003-09-16),
3. 6499656 - Identification of objects by a reader (2002-12-31),
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USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#31 in Johannesburg

#126 in South Africa

Johannesburg, ZA
Johannesburg, South Africa

Trolley Scan (Proprietary) Limited

Forward Citations = 119

2 inventors:

goldMedal Michael John Camille Marsh (3 out of 3 patents)

silverMedal Trevor M Hodson (2 out of 10 patents)

Please report any incorrect information to [email protected]
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