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Boston, MA, United States of America

David Friend

Average Co-Inventor Count = 2.50

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 = 82

David FriendStanley Kugell (2 patents)David FriendAndrew Peter Brown (1 patent)David FriendJeffrey C Flowers (1 patent)David FriendJessica Ann Mcisaac (1 patent)David FriendLars Mikkelsen (1 patent)David FriendRoyce C Kahler, Jr (1 patent)David FriendCory Mintz (1 patent)David FriendJames Speth (1 patent)David FriendDavid Friend (5 patents)Stanley KugellStanley Kugell (6 patents)Andrew Peter BrownAndrew Peter Brown (7 patents)Jeffrey C FlowersJeffrey C Flowers (3 patents)Jessica Ann McisaacJessica Ann Mcisaac (2 patents)Lars MikkelsenLars Mikkelsen (1 patent)Royce C Kahler, JrRoyce C Kahler, Jr (1 patent)Cory MintzCory Mintz (1 patent)James SpethJames Speth (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Carbonite Corporation (2 from 62 patents)

2. Faxnet Corp. (2 from 2 patents)

3. Arp Instruments, Inc. (1 from 9 patents)


5 patents:

1. 9575843 - Managing back up sets based on user feedback

2. 9369507 - Systems and methods for reliable backup of media

3. 5751794 - Proactive voice mail service

4. 5729595 - Never-busy facsimile service

5. 4257305 - Pressure sensitive controller for electronic musical instruments

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as of
12/17/2025
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