RECENTLY PATENTED INVENTIONS. Electrical Devices. Engineering Improvements. Hardware. Machines and Mechanical Devices. Miscellaneous. Business and Personal Wants. sary to give the number of the inquiry. MUNN it CO. Inquiry No. 4963.-For machines for pressing fountain pen holders and feeders of hardrubber. _Note s 1 and Queries INDEX OF INVENTIONS For which Letters Patent of the United States were iiisued for the Week Ending December 29 1903. AND EACH BEARING THAT DATE, scientific american, 1904-01-11
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