patent · · added 2 months ago
Direct fired air heater
Machine transcription of the US2518364 patent scan, 3 pages.
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patent · · added 2 months ago
Machine transcription of the US2518364 patent scan, 3 pages.
patent · · added 2 months ago
Machine transcription of the US2532740 patent scan, 5 pages.
patent · · added 2 months ago
Machine transcription of the US2973808A patent scan, 3 pages.
patent · · added 2 months ago
patent · · added 2 months ago
Machine transcription of the US3838652A patent scan, 7 pages.
patent · · added 2 months ago
Machine transcription of the US3852021A patent scan, 10 pages.
patent · · added 2 months ago
Machine transcription of the US4437314A patent scan, 6 pages.
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Machine transcription of the US3051226A patent scan, 5 pages.
patent · · added 2 months ago
Machine transcription of the US2433618 patent scan, 5 pages.
patent · · added 2 months ago
Machine transcription of the US2867270A patent scan, 4 pages.
patent · · added 2 months ago
Machine transcription of the US3161228A patent scan, 4 pages.
patent · · added 2 months ago
Machine transcription of the US2918117A patent scan, 5 pages.
patent · · added 2 months ago
Machine transcription of the US2813578A patent scan, 4 pages.
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patent · · added 2 months ago
Machine transcription of the US2402971 patent scan, 5 pages.
patent · · added 2 months ago
Machine transcription of the US2401836 patent scan, 3 pages.
patent · · added 2 months ago
Machine transcription of the US2424765 patent scan, 4 pages.
patent · · added 2 months ago
Machine transcription of the US2333531 patent scan, 3 pages.
patent · · added 2 months ago
Machine transcription of the US2362972 patent scan, 6 pages.
patent · · added 2 months ago
Machine transcription of the US1614359 patent scan, 5 pages.
patent · · added 2 months ago
Machine transcription of the US1684079 patent scan, 7 pages.
patent · · added 2 months ago
Machine transcription of the US1023422 patent scan, 7 pages.
patent · · added 2 months ago
Machine transcription of the US1790870 patent scan, 5 pages.
patent · · added 2 months ago
Machine transcription of the US1591891 patent scan, 7 pages.
patent · · added 2 months ago
Machine transcription of the US964031 patent scan, 6 pages.
patent · · added 2 months ago
Machine transcription of the US1699732 patent scan, 7 pages.
patent · · added 2 months ago
Machine transcription of the EP0095135A3 patent scan, 3 pages.
patent · · added 2 months ago
Machine transcription of the US4535754A patent scan, 11 pages.