Patents and Patent Interference Cases

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unittitle

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1. Correspondence with patent attorneys [3/1]
2. Sprague's notes re patent cases
3. Sprague Automatic Train Control System, patent application, ser. no. 879,939
4. Ser, no. 879,939 Divisional application, claims, references
5. Applications for other of his train control devices
6. Sprague's British and continental patent applications
7. General Railway Signal Co. v. Great Northern Railway
8. Correspondence, typescripts of testimony, exhibits, etc
9. Printed briefs