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Salt Lake City, UT, United States of America

John M Taskett

Average Co-Inventor Count = 1.12

ph-index = 8

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 1,371

John M TaskettCharles R Chamberlain (1 patent)John M TaskettBarbara Piernot (1 patent)John M TaskettJohn M Taskett (9 patents)Charles R ChamberlainCharles R Chamberlain (13 patents)Barbara PiernotBarbara Piernot (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. American Express Travel Related Services Company, Inc. (5 from 1,453 patents)

2. American Express Trs (3 from 5 patents)

3. Other (1 from 832,966 patents)


9 patents:

1. 6345766 - Methods and apparatus for providing a prepaid, remote memory customer account for the visually impaired

2. 6115458 - Method and apparatus for summaries of prepaid instrument transaction

3. 6044247 - Methods and apparatus for paging systems

4. 5991748 - Methods and apparatus for regenerating a prepaid transaction account

5. 5988509 - Refundable prepaid telephone card

6. 5923734 - Methods and apparatus for providing a prepaid, remote memory transaction

7. 5863073 - Refundable travellers cheques

8. 5762376 - Methods and apparatus for providing a prepaid, remote entry transaction

9. 5684291 - Refundable prepaid telephone card

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1/20/2026
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