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All Patents of Type: food preservation apparatus
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,171XNov. 23, 1809J. CoppingerMode of preserving animal and vegetable substancesfood preservation apparatus
2,209XOct. 24, 1814D. CooleyPreserving animal and vegetable substancesfood preservation apparatus
4,009XJan. 19, 1825E. Daggett, T. KensettMethod of preserving animal substancesfood preservation apparatus
8,835XMay 22, 1835N. HathawayComposition to prevent the absorption of animal and fish oilsfood preservation apparatus
NF-32May 08, 1868J. DewarImprovement in preservation of articles for food, by submitting them to an aqueous solution of sulphuric acidfood preservation apparatus
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