Patents. Letter to accompany S. 1805, for use by United States of devices invented by its naval officers while engaged in its service, and covered by letters patent.
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Patents. Letter to accompany S. 1805, for use by United States of devices invented by its naval officers while engaged in its service, and covered by letters patent.
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Patents. Letter to accompany S. 1805, for use by United States of devices invented by its naval officers while engaged in its service, and covered by letters patent.