Isbell, Horace S. Interference no. 69093, in Patent Office, before examiner of interferences, Horace S. Isbell v. Arthur Stoll and Ernst Burckhardt; record on behalf of Isbell.
Publication Title:
Isbell, Horace S. Interference no. 69093, in Patent Office, before examiner of interferences, Horace S. Isbell v. Arthur Stoll and Ernst Burckhardt; record on behalf of Isbell.
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Isbell, Horace S. Interference no. 69093, in Patent Office, before examiner of interferences, Horace S. Isbell v. Arthur Stoll and Ernst Burckhardt; record on behalf of Isbell.