Ellwangen
Germany
5
2013-09-05
The entities that hold a legal rights for patent applications filed by inventor Akca Kemal:
Kemal Akca from Ellwangen, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
HOUSING FOR MERCURY-FREE BUTTON CELLS
#2 | 2012-06-28GALVANIC ELEMENT AND SEPARATOR HAVING IMPROVED SAFETY PROPERTIES
#3 | 2012-03-22GALVANIC ELEMENT HAVING A MERCURY-FREE NEGATIVE ELECTRODE
#4 | 2007-10-02Electrochemical element in the form of a button cell, and a method for producing an electrochemical element
#5 | 2005-03-31Method of producing a rechargeable electrochemical element , and an element made therefrom
424528 ⎘