Famous Patents
The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 4359952 | Planter quick attachable granular chemical hopper assembly A planter having a frame, a drive train supported from the frame and having a forward end adapted to be connected to a drive and the other end having drive structure rotatably supported on the frame, the frame also having a pair of laterally spaced horizo... | 11/23/1982 |
| 4145981 | Vibrating seed planter delivery chute for singular seed dispensing An automatic seed planter which includes an elongate, upwardly-opening V-shaped trough with front and rear ends defining a longitudinally extending, upwardly opening seed-conducting channel, a seed receiving chamber at the front end of the trough, elongat... | 03/27/1979 |
| 4131221 | Planting and fertilizing apparatus A relatively compact and lightweight planting and fertilizing apparatus is attached to a small garden tractor by a universal hitch which restricts lateral movement between the two. The apparatus is spring biased downwardly to assure firm contact with the ... | 12/26/1978 |
| 4058068 | Soil cultivating and sowing implement A cultivator or rotary harrow has soil working members rotatable about upwardly extending shafts journalled in a frame portion that extends transverse to the direction of travel. The front of the frame is supported by a coupling attached to a prime mover ... | 11/15/1977 |
| 4014272 | Cultivators A cultivator has a row of soil working members or rotors mounted on axis shafts journalled on a frame portion. Each rotor has a single rotatable downwardly extending tine that is offset with respect to its axis shaft of rotation to work a diameter that is... | 03/29/1977 |
