'U.S. Application 56318 British Equivalent 23955/24 (Patent)' File of correspondence and reports relating to the rejection of U.S. Patent Application 56318 Induction Electricity Meters and Ferrantis appeal against this rejection, 1930.

Made:
1930
maker:
Ferranti Ltd

Details

Extent:
21 Items
Identifier:
YA1996.10/2/3/118