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Patents for Harry Grant Francis
Patents 1 - 7 of 7
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,327,815Jan. 13, 1920H.G. FrancisVeneer-pressveneer machines
1,333,968Mar. 16, 1920H.G. FrancisRoller scraper-bar for glue-spreading machinesgluing machines
1,661,174Mar. 06, 1928H.G. FrancisGlue spreadergluing machines
1,664,207Mar. 27, 1928H.G. FrancisBolt headveneer machines
1,762,972Jun. 10, 1930H.G. FrancisPlate glue spreadergluing machines
1,846,856Feb. 23, 1932H.G. FrancisGlue spreadergluing machines
1,981,499Nov. 20, 1934H.G. FrancisClampclamp carriers
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