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London, United Kingdom

David K Thompson

Average Co-Inventor Count = 1.50

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 = 66

David K ThompsonDavid Crisp (1 patent)David K ThompsonKenneth J Couch (1 patent)David K ThompsonDavid K Thompson (3 patents)David CrispDavid Crisp (11 patents)Kenneth J CouchKenneth J Couch (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Rizla Limited (1 from 14 patents)

2. Jermed Limited (1 from 2 patents)

3. Gemini Clothescare Limited of the Rookery (1 from 1 patent)


3 patents:

1. 5290998 - Cordless iron and electrically heated ironing board combination

2. 4303082 - Manually operated cigarette making machine

3. 4270416 - Scalpel blade extractor

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as of
12/12/2025
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