专利检索_ .犁梁;手柄专利检索_ .犁梁;手柄专利检索查询

子分类：

序号	专利名	申请号	申请日	公开（公告）号	公开（公告）日	发明人
81	Plow.	US1905281686	1905-10-06	US811814A	1906-02-06	BAKER JEFFERSON H

82	Plow attachment	US750251D		US750251A	1904-01-26

83	Plow-handle.	US1903163370	1903-06-27	US746003A	1903-12-08	BREDAHL SAMUEL

84	Cultivator and handle therefor.	US1899730705	1899-09-16	US636743A	1899-11-14	AVERY GEORGE C

85	Caleb e	US354752D		US354752A	1886-12-21

86	Henry haselius summer	US331342D		US331342A	1885-12-01

87	Plow-handle	US311790D		US311790A	1885-02-03

88	bradley	US299050D		US299050A	1884-05-20

89	Samuel l	US280114D		US280114A	1883-06-26

90	Fbiedbioh haoke	US259133D		US259133A	1882-06-06

91	Improvement in plows	US219029D		US219029A	1879-08-26

92	Improvement in plows	US201225D		US201225A	1878-03-12

93	Improvement in plow-handle tips	US187684D		US187684A	1877-02-20

94	Improvement in plows	US174539D		US174539A	1876-03-07

95	Improvement in weeding implements	US166506D		US166506A	1875-08-10

96	Improvement in plows	US153645D		US153645A	1874-07-28

97	Improvement in plows	US140053D		US140053A	1873-06-17

98	Improvement in plows	US107033D		US107033A	1870-09-06

99	Improvement in plow-cultivators	US91847D		US91847A	1869-06-29

100	Improvement in cotton-plows	US79706D		US79706A	1868-07-07

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