Showing 1 - 11 results of 11 for search '"Niemann, William L."', query time: 1.49s Refine Results  

PEN-WIPER

by WILLIAM L. NIEMANN
Year of Publication 01.02.1916
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Patent

POULTRY-COOP

by WILLIAM L. NIEMANN
Year of Publication 17.03.1914
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Patent

BROODER

by WILLIAM L. NIEMANN
Year of Publication 22.10.1912
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Patent

HOVER

by WILLIAM L. NIEMANN
Year of Publication 22.10.1912
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Patent

TRAP-NEST

by WILLIAM L. NIEMANN
Year of Publication 20.08.1907
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Patent