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Ashhurst, New Zealand

Petrus A Van Amelsfort

Average Co-Inventor Count = 1.00

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 = 71

Petrus A Van AmelsfortPetrus A Van Amelsfort (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Allflex International Limited (1 from 12 patents)

2. Allflex New Zealand Limited (1 from 6 patents)


2 patents:

1. 5141514 - Ear tag applicator

2. D299038 - Tag

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as of
12/17/2025
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