The U.S.Patent and Trademark office issued new patent "Valve-regulated lead-acid cells and batteries and separators used in such cells and batteries". This invention was developed in LABDept-CLEPS.
Two patents entitled "Organic expander for lead-acid batteries" was issued by the U.S.Patent and Trademark office. Scientists from LABDept.-CLEPS had a fundamental contribution to this invention.
US Patent 6346347B1- references
US Patent 6664002B2- references