Did You Know...
...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!
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| Number | Title | Issue Date |
| 7188447 | Machine for laying ground cover on seeded areas A machine that quickly lays a cover over a freshly seeded area and at the same time anchors the cover to the ground. The cover helps prevent moisture from escaping from the ground and holds the seeds in place during watering the area, during heavy rains and/or durin... | 03/13/2007 |
| 7104205 | Pivoting arm for seeders A pivot mechanism for pivotally attaching two members about a pivot axis comprises a first member defining a first pivot hole, and having first and second bearing surfaces oriented perpendicular to the pivot axis. A second member defines a second pivot hole aligned ... | 09/12/2006 |
| 7090433 | Underground cable laying apparatus Presented is an underground cable laying apparatus that leaves virtually no visible scar in the turf under which cable, wire, line, hose, etc. is laid. The apparatus utilizes a pair of angularly displaced turf slicing wheels to slice and separate the turf forming a ... | 08/15/2006 |
| 4878443 | Planter trash guard A formed metal guard mountable to a planter framework to prevent clogging or blockage of furrow closure means. In a particular embodiment, a trapezoidal guard plate vertically extends forward of and in centered relation to a pair of V-mounted furrow closu... | 11/07/1989 |
| 4432292 | Floating planter A planter has the seed box and seed dispensing mechanism supported by a tool bar which is supported by tool bar gage wheels and a tractor. A plow moves loose, dry dirt from the seed bed. The plow, opening plow, and covering mechanism are drawn as a unit f... | 02/21/1984 |
| 4344374 | Heavy duty seedling planter A heavy duty machine for planting tree seedlings or similar plants. The planter comprises an elongated, rigid frame to which a rotatable coulter wheel is centrally secured for initially cutting a furrow. A rigid plow downwardly depending from the frame is... | 08/17/1982 |
| 4266489 | Double crop planter, sprayer and topper A high ground clearance tractor during one pass through rows of a standing crop, such as corn, opens a small furrow for a second crop, such as beans, plants the second crop, sprays suitable chemicals on the new crop, and trims the tops of the existing or ... | 05/12/1981 |
