PATMARK COMPANY, INC.

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 1153

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6492047 Fuel cell with proton conducting membraneJun 26, 00Dec 10, 02[H01M]

Expired/Abandoned/Withdrawn Patents

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