Growing community of inventors

Melbourne, Australia

John H Guthrie

Average Co-Inventor Count = 1.00

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 = 35

John H GuthrieJohn H Guthrie (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Spa Electrics Pty. Ltd. (1 from 6 patents)


1 patent:

1. 5122936 - Swimming pool lighting

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12/21/2025
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