Patents for A01B 19 - Harrows with non-rotating tools (320)
11/1980
11/25/1980US4235294 Soil cultivating machine
09/1980
09/17/1980EP0015881A1 Soil-working implement
09/02/1980US4220211 Harrow with tine stop therefor
05/1980
05/13/1980US4202415 Soil cultivating machine
03/1980
03/18/1980CA1073729A1 Soil cultivating implements
02/1980
02/19/1980US4189006 Soil cultivating implements
02/12/1980US4187914 Soil cultivating implements
12/1979
12/25/1979US4180134 Soil cultivating implements
12/18/1979US4178996 Soil cultivating machine
10/1979
10/16/1979US4171021 Soil cultivating implements
09/1979
09/18/1979US4167976 Soil cultivating implements
05/1979
05/22/1979US4155407 Harrow comprising transversely reciprocating teeth
03/1979
03/27/1979US4146096 Lawn rake and cultivator
02/1979
02/06/1979US4137783 Device for converting a rotary movement into a reciprocatory movement
12/1978
12/19/1978CA1044504A1 Lightweight pasture harrow
03/1978
03/21/1978US4079790 Cultivating implement for agricultural soil
08/1977
08/16/1977US4042042 Soil cultivating machines
02/1977
02/01/1977US4005756 Lightweight pasture harrow
01/1977
01/18/1977US4003437 Soil cultivating implements
03/1976
03/30/1976US3946816 Rotary harrows
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