Growing community of inventors

West Seneca, NY, United States of America

David Speth

Average Co-Inventor Count = 11.00

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 = 99

David Speth ↔ Alwin B Carus (1 patent)David Speth ↔ Robert G Titemore (1 patent)David Speth ↔ Harry J Ogrinc (1 patent)David Speth ↔ Keith W Boone (1 patent)David Speth ↔ Brian Wilson (1 patent)David Speth ↔ Melissa MacPherson (1 patent)David Speth ↔ Stefaan Heyvaert (1 patent)David Speth ↔ Ray Rankins (1 patent)David Speth ↔ Don Fonza (1 patent)David Speth ↔ Tom Deplonty (1 patent)David SpethDavid Speth (1 patent)Alwin B CarusAlwin B Carus (28 patents)Robert G TitemoreRobert G Titemore (12 patents)Harry J OgrincHarry J Ogrinc (12 patents)Keith W BooneKeith W Boone (8 patents)Brian WilsonBrian Wilson (3 patents)Melissa MacPhersonMelissa MacPherson (3 patents)Stefaan HeyvaertStefaan Heyvaert (2 patents)Ray RankinsRay Rankins (1 patent)Don FonzaDon Fonza (1 patent)Tom DeplontyTom Deplonty (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Dictaphone Corporation. (1 from 159 patents)


1 patent:

1. 7233938 - Systems and methods for coding information

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12/5/2025
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