Patents. Oldfield revision and codification of patent laws, hearing, Sept. 4, 1914, letter of Wm. A. Copeland in reply to letter of L. A. Coolidge, criticizing remarks of Mr. Copeland.
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Patents. Oldfield revision and codification of patent laws, hearing, Sept. 4, 1914, letter of Wm. A. Copeland in reply to letter of L. A. Coolidge, criticizing remarks of Mr. Copeland.
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Patents. Oldfield revision and codification of patent laws, hearing, Sept. 4, 1914, letter of Wm. A. Copeland in reply to letter of L. A. Coolidge, criticizing remarks of Mr. Copeland.
Corporate Agency Authors:
Patents Commitee, House of Representatives, and Congress