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USPTO Data Jan 1 1976 - Dec 16 2025
2 Patents
#52 in Middlesex
#6,361 in United Kingdom
Periproducts Ltd
Forward Citations = 2
4 inventors:
Periproducts Ltd
CIPO Patents = 1
EPO Patents = 1
Forward Citations = 2
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4 inventors (with patents filed for the assignee):
Robert Hill (2 out of 5 patents)
Ian Baynes (2 out of 2 patents)
Alan J Collings (2 out of 2 patents)
4. David G Gillam (2 out of 3 patents)
2 patents:
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1 patent (CIPO):
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1 patent (EPO):
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