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Swansea, United Kingdom

Hugh Willmott Grenfell

USPTO Granted Patents = 3

Average Co-Inventor Count = 1.6

ph-index = 2

Forward Citations = 11(Granted Patents)

Location History:

Swansea, GB (1978)
Morriston, Swansea, SA6 6HE, GB (1993)

Company Filing History:

British Steel Plc.

1 out of 832,812

Other

patents

Years Active: 1978-1993

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3 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5242356 - Exercise and toning apparatus (1993-09-07),

2. 4113469 - Refining molten metal (1978-09-12),

3. 4104058 - Steelmaking (1978-08-01),

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