For the Inventor, By the Inventor

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Cambridge, United Kingdom

Olivetti Research Limited

USPTO Granted Patents = 3

Forward Citations = 131

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5 inventors (with patents filed for the assignee):

Roger Michael Needham (2 out of 6 patents)

David J Wheeler (2 out of 3 patents)

Roy Want (2 out of 2 patents)

4. Andrew Hopper (2 out of 2 patents)

5. Alan Henry Jones (1 out of 14 patents)

3 patents: Sort by Forward Citations

1. 6055246 - Addition of time information (2000-04-25),

2. 5493283 - Locating and authentication system (1996-02-20),

3. 5402469 - Carrier locating system (1995-03-28),

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USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#188 in Cambridge

#4,798 in United Kingdom

Cambridge, United Kingdom

Olivetti Research Limited

Forward Citations = 131

5 inventors:

Roger Michael Needham (2 out of 6 patents)

David J Wheeler (2 out of 3 patents)

Roy Want (2 out of 2 patents)

4. Andrew Hopper (2 out of 2 patents)

5. Alan Henry Jones (1 out of 14 patents)

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