Cell "x27 y34"
Anmelder
Datum
Patentnummer
Cluster
General Electric Company (Schenectady, NY)
1977-11-21
4155793.txt
cluster_25
No Name
1984-09-17
4645602.txt
cluster_25
Micron Separations, Inc. (Westborough, MA)
1987-10-05
4894157.txt
cluster_25