"Everyone acquainted with the subject will recognize it as a conspicuous failure."
Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb
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| Number | Title | Issue Date |
| 7392854 | Front rotary working machine A front rotary working machine is provided which has rotary working portions disposed at a front portion of a transmission case, and a front wheel disposed forward of the rotary working portions. The working machine includes a guard member extending forward from the... | 07/01/2008 |
| 7175188 | Device for transporting a load and suitable attaching device Device for transporting a load comprises a chassis including two longitudinal girders crossing each other so as to form the general shape of an asymmetrical X, the height of the V of the upper portion being equal to N times the height of the V of the lower portion (... | 02/13/2007 |
| 6672400 | Apparatus for divot repair A divot repair device for transporting a mixture of fill material and dispensing the fill material into divots in order to fill and thereby fix the divots by promoting turf growth in the location of the divots, including a hopper for carrying a predetermi... | 01/06/2004 |
| 6644416 | Tiller A tiller (10) having an engine (24), a plurality of rotating times (20), and a handle (26) which are rotatable with respect to a main frame (12) of the tiller (10) and cooperate with pivoting wheels (14) to facilitate turning of the tiller (10) while main... | 11/11/2003 |
| 6450268 | Apparatus for divot repair A divot repair device for transporting a mixture of fill material and dispensing the fill material into divots in order to fill and thereby fix the divots by promoting turf growth in the location of the divots, including a hopper for carrying a predetermi... | 09/17/2002 |
| 5301757 | Edging machine An edging machine having a frame with a handle at one end, a prime mover mounted on the frame, an edger blade rotatably connected to the frame, a first wheel mounted on the frame so as to support the frame above a surface, a second wheel interconnected to... | 04/12/1994 |
| 5095996 | Rotary tiller attachments for facilitating turning A conventional rotary tiller having an engine, an axle with two wheels, a set of tines, handlebars, and an attachment that facilitates turning. The attachment comprises a turntable which is mounted to the tiller opposite the tines in such a way that it re... | 03/17/1992 |
| 5014791 | Lawn aerator There is disclosed a manually powered aeration device having a frame and a removable weight tank which is positioned such that the center of gravity of the weight tank and the aerator cylidner are in substantially vertical alignment.... | 05/14/1991 |
| 4854391 | Hand propelled soil cultivation tool A hand propelled soil cultivation tool for accepting several different cultivation implements is described which includes a forward gauge wheel and a quick adjustment means for handle length. The different tool attachments described include a hoe implemen... | 08/08/1989 |
| 4168749 | Hand-propelled garden cultivator A hand-propelled cultivator implement having a frame with a wheel journaled on the front of the frame for rollingly supporting the implement as it is moved over the ground. A cage is provided on the frame for rigidly mounting a selected cultivating tool o... | 09/25/1979 |
| 4090457 | Multi-purpose garden tool A garden tool which serves as an ordinary hand operated plow but can be converted to a seed planter and fertilizer or to a wheelbarrow. The seed planter attachment has a plow point for opening a furrow, a seed and fertilizer dispenser and a device for cov... | 05/23/1978 |
| 4077477 | Soil cultivating implements According to this invention there is provided a soil cultivating implement comprising a plurality of downwardly extending tines arranged in a transverse row and rotatable ground engaging members that are located in front of and behind the row of tines wit... | 03/07/1978 |
| 3978929 | Rotor tiller with attachment therefor A wheeled attachment arm assembly, mountable alongside a power rotor tiller apparatus to which a rake or a blade may be fastened for preparing the surface of the ground, prior to tilling it. The assembly incorporates an arm which is threaded into and exte... | 09/07/1976 |
| 3952490 | Lawn rake A lawn rake consisting of an elongated frame bar carried for vertical tilting movement on a transverse axis by a pair of ground-engaging wheels, and having a handle at one end thereof and tines at its opposite end adapted to be moved into or out of engage... | 04/27/1976 |