Growing community of inventors

Avon, CT, United States of America

David W Spencer

Average Co-Inventor Count = 2.40

ph-index = 3

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 = 138

David W SpencerPradeep K Das (4 patents)David W SpencerRonald P Sansone (1 patent)David W SpencerJohn W Sussmeier (1 patent)David W SpencerGregory P Skinger (1 patent)David W SpencerPardeep K Das (1 patent)David W SpencerDavid W Spencer (5 patents)Pradeep K DasPradeep K Das (6 patents)Ronald P SansoneRonald P Sansone (142 patents)John W SussmeierJohn W Sussmeier (75 patents)Gregory P SkingerGregory P Skinger (21 patents)Pardeep K DasPardeep K Das (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Pitney Bowes Inc. (5 from 2,979 patents)


5 patents:

1. 9117209 - Method and system for using a camera cell phone in transactions

2. 7774283 - Method and system for using a camera cell phone in transactions

3. 6957766 - Envelope with enhanced opening capabilities and method therefor

4. 6888085 - Method and system for detection of contaminants in mail

5. 6781078 - System and method for identifying potentially life harming mailpieces in an incoming mail stream

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as of
12/28/2025
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