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Author(s)
Dyrenforth, Philip CharlesRecipient(s)
Dyer and DyerOthers Mentioned
Dyer, Frank Lewis
Kohlsaat, Christian Cecil
Subject(s)
Patent infringementPatent and legal counsel
Cylinder record and duplicating technology
Federal funding provided by![]() ![]() A project that narrates Edison's life and work through his documents |
Recipient(s)
Dyer and DyerOthers Mentioned
Dyer, Frank Lewis
Kohlsaat, Christian Cecil
The Thomas A. Edison Papers was founded by the following organizations