Inventor Heinz W Kasemir Helmut K Weickmann

23 September 1964

 THE METHOD OF INHIBITING LIGHTNING DISCHARGE COMPRISING THE SEED OF A REGION BETWEEN TWO AREAS OF OPPOSITE TYPE ELECTRIC SPACE CHARGE WITH A PLURALITY OF METALLIZED NYLON THREADS, SAID NYLON THREADS BEING AT LEAST ONE CENTIMETER IN LENGTH.

Link To Patent US3284005