Growing community of inventors

Springfield, PA, United States of America

David C Hartrum

Average Co-Inventor Count = 5.00

ph-index = 1

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 = 2

David C Hartrum ↔ Robert J Thompson (2 patents)David C Hartrum ↔ John L Moran, Iii (2 patents)David C Hartrum ↔ Rudolph J Menna (2 patents)David C Hartrum ↔ Christopher Jeblonski (2 patents)David C Hartrum ↔ John L Moran (1 patent)David C HartrumDavid C Hartrum (2 patents)Robert J ThompsonRobert J Thompson (28 patents)John L Moran, IiiJohn L Moran, Iii (25 patents)Rudolph J MennaRudolph J Menna (9 patents)Christopher JeblonskiChristopher Jeblonski (4 patents)John L MoranJohn L Moran (12 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Arris Enterprises LLC (2 from 1,852 patents)

2. Arris International IP Ltd (0 patent)


2 patents:

1. 11476937 - CATV digital transmission with bandpass sampling

2. 9729937 - CATV digital transmission with BandPass sampling

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as of
12/28/2025
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