专利检索_ .向土壤下面施入肥料碎石秸秆或类似物的工具专利检索_ .向土壤下面施入肥料碎石秸秆或类似物的工具专利检索查询

序号	专利名	申请号	申请日	公开（公告）号	公开（公告）日	发明人
61	Hand-cultivator.	US1909504231	1909-06-25	US957573A	1910-05-10	PIGGOTT EDMUND

62	Adjustable spring weed-hook.	US1909478384	1909-02-17	US947119A	1910-01-18	MOE ALFRED M

63	Clod-crusher.	US1906312337	1906-04-18	US848977A	1907-04-02	DAVIS CHARLES J

64	Reversible disk plow.	US1904237434	1904-12-19	US793715A	1905-07-04	DEERE CHARLES H

65	Weed-hook for plows.	US1905241655	1905-01-18	US788065A	1905-04-25	REIMAN GEORGE W

66	Combined weed-cutter and cultivator.	US1901080332	1901-10-28	US769832A	1904-09-13	PRESTON LEWIS C

67	Agricultural rake.	US1902099464	1902-03-22	US711933A	1902-10-28	BLACK AMOS R

68	Attachment for cultivators.	US1901081146	1901-11-04	US692729A	1902-02-04	STINE JOSEPH

69	Plow attachment.	US1900013872	1900-04-23	US662663A	1900-11-27	BARTELS ERNEST H

70	Plow-fender.	US1899726690	1899-08-09	US644375A	1900-02-27	STEFFES NICHOLAS

71	Weed-turner.	US1899714413	1899-04-25	US642531A	1900-01-30	ROSS BARNEY

72	Cotton-chopper.	US1899732493	1899-10-04	US641975A	1900-01-23	KIRBY RICHARD W

73	Corn-guide	US615514D		US615514A	1898-12-06

74	Weed-turner	US543697D		US543697A	1895-07-30

75	Weed-turner	US469581D		US469581A	1892-02-23

76	jones	US460540D		US460540A	1891-09-29

77	Garden-plow	US429219D		US429219A	1890-06-03

78	Sidney cook	US407062D		US407062A	1889-07-16

79	Cealy billups	US402390D		US402390A	1889-04-30

80	Colter	US395250D		US395250A	1888-12-25