Showing 1 - 20 results of 27 for search '"GIEFFERS; WARD"', query time: 1.26s Refine Results  

SMART SIREN

by GIEFFERS, WARD J
Year of Publication 15.07.1997
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Patent

Smart Siren

by GIEFFERS, WARD J
Year of Publication 26.11.1991
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Patent

SMART SIREN

by WARD J. GIEFFERS
Year of Publication 08.04.1993
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Patent