Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 4340119 | Motor grader with bar linkage blade positioning apparatus The specification discloses a new blade positioning apparatus for use in motor graders, that provides improved visibility and allows the operator to easily control the elevation, transverse inclination, and position of the scraper blade beneath the machin... | 07/20/1982 |
| 4332299 | Cultivator device for a vehicle A cultivator attachment is mounted to the side of a tractor and includes an outwardly projecting boom assembly with first and second boom sections. The boom sections telescope and a cultivator head with a rotating cultivator member is connected to the fre... | 06/01/1982 |
| 4316510 | Soil cultivating machine with interconnected pivoted members A soil cultivating machine has a beamed frame, and working members arranged in pairs. Two working members are mounted one behind the other, preferably on a common carrier beam which is releasably secured to transverse beams of the frame. Thus the two work... | 02/23/1982 |
| 4084643 | Motor grader with blade support structure A motor grader has improved support structure for mounting the grader blade on the circle blade support arms and for controlling blade tilt. A bearing housing structure consists of a transverse structural member with integral upright bearing housings at i... | 04/18/1978 |
| 4019588 | Tilting means for bulldozer blades A bulldozer assembly comprises a pair of laterally spaced push arms pivotally interconnected between a blade thereof and a vehicle. A pair of lift cylinders are also pivotally connected between the vehicle and the blade for selectively raising or lowering... | 04/26/1977 |
| 3999315 | Adjustable attachment for a backhoe An adjustable attachment for a backhoe comprises a single tooth pivotally connected to a frame, the tooth being capable of taking a plurality of angularly spaced apart positions on the frame. Tensioning means hold the tooth in a desired position, but also... | 12/28/1976 |
