Electrostatic encapsulation
United States Patent 3208951
Inventors:
Berger, Bernard B.
Miller, Caroline D.
Gerhard, Langer
Publication Date:
09/28/1965
Other Classes:
428/402.240, 427/213.360, 427/213.340, 427/213.300, 264/4.100, 428/402.200
International Classes:
B01J13/04; B05D1/04