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USPTO Data Jan 1 1976 - Sep 15 2026
3 Patents
#823 in London
#4,879 in United Kingdom
Carbonate Limited
Forward Citations = 87
6 inventors:
Carbonate Limited
% Expired Patents = 66.7
Trademarks = 1
Forward Citations = 87
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6 inventors (with patents filed for the assignee):
Michael John Evans (2 out of 31 patents)
Richard P H Pankhurst (2 out of 7 patents)
Brian Douglas Smith (2 out of 13 patents)
4. Keith Graham Lacy (1 out of 1 patent)
5. Paul Richard Hayes-Pankhurst (1 out of 1 patent)
6. Paul Simon Wells (1 out of 1 patent)
3 patents:
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Please report any incorrect information to [email protected]
Please report any incorrect information to [email protected]