Growing community of inventors

Derry, NH, United States of America

Stephen G Keith

Average Co-Inventor Count = 2.67

ph-index = 2

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 = 7

Stephen G KeithEdward F Burke, Jr (1 patent)Stephen G KeithCharles J Casey (1 patent)Stephen G KeithCharles E Perkett (1 patent)Stephen G KeithJohn L Apostoles (1 patent)Stephen G KeithStephen G Keith (2 patents)Edward F Burke, JrEdward F Burke, Jr (11 patents)Charles J CaseyCharles J Casey (2 patents)Charles E PerkettCharles E Perkett (1 patent)John L ApostolesJohn L Apostoles (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mfe Corporation (2 from 20 patents)


2 patents:

1. 3991672 - Line printer for printing information on tickets

2. 3983805 - Printer with sequentially actuated printing means

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idiyas.com
as of
12/13/2025
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