...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7331470 | Magnetic rake with release mechanism A magnetic raking device that agitates a ground surface and uses magnetic attraction for collecting ferro-metallic debris, such as nails and screws, at construction jobsites and other locations, includes a release mechanism that temporarily eliminates magnetic attra... | 02/19/2008 |
| 7162857 | Scraping adaptor A scraping adapted for attachment to the raking head of a conventional rake includes a substantially elongated adapter body defining a body first longitudinal edge, an opposed body second longitudinal edge and a pair of substantially opposed body longitudinal ends. ... | 01/16/2007 |
| 6442921 | Method of raking with a tractor having a rear hydraulic blade A method of raking with a tractor having a rear horizontally elongated hydraulic blade. After attachment the rake can be can be lifted, lowered, and pressed down into the soil or gravel etc. being raked with hydraulic power. The method comprises the follo... | 09/03/2002 |
| 6109013 | Multipurpose gardening tool A handle is attached to a multipurpose gardening implement which has a rake on one side and a cutting bar on the opposite side that has limited movement when used as a cutting tool. Rotation of the handle 180° changes use of the implement from a rake to ... | 08/29/2000 |
| 5937628 | Manually operable spreading apparatus for flowable materials A manually operable spreading apparatus for uniformly spreading flowable material, such as a sealant or adhesive, on a surface comprises a handle with a transversely extending spreader blade at one end and a reservoir chamber for the flowable material mou... | 08/17/1999 |
| 5924816 | Interchangeable locking implement handle A threaded connector is disclosed for attaching a handle to a tool head, such as a rake or a broom. The threaded connector may include a central cap or plug and a plurality of opposed wings extending radially outwardly therefrom. The wings are in the form... | 07/20/1999 |
| 5809760 | Universal blade rake An attachment is usable in combination with any conventional moldboard and provides a rake accessory unit for said moldboard. The rake attachment consists of a steel mounting plate, upon which a plurality of cylindrical steel tines, equally spaced, cut to... | 09/22/1998 |
| 5603584 | Interchangeable locking implement handle A threaded connector is disclosed for attaching a handle to a tool head, such as a rake or a broom. The threaded connector may include a central cap or plug and a plurality of opposed wings extending radially outwardly therefrom. The wings are in the form... | 02/18/1997 |
| 5493850 | Lake bottom plant and debris gathering apparatus with improved actuation and cleaning of raking mechanism A plant gathering apparatus for the removal of aquatic plant growth on lake bottoms includes a mobile frame adapted for towing across a lake bottom, a raking mechanism, a towing assembly, an actuating mechanism and a cleaning mechanism. The raking mechani... | 02/27/1996 |
| 5452769 | Four in one gardening tool A four in one gardening tool is provided which consists of a scooped blade, with a handle assembly extending upwardly at an angle from a bent central area of the scooped blade. A plurality of teeth extend at an angle downwardly from a first side of the sc... | 09/26/1995 |
| 5241812 | Rake tine construction A spring tine rake having a plurality of raking tines formed from a flat resilient material with the upper portions thereof mounted in fixed relation on a handle and having a 90 degree twist therein to orient the lower blade portions of the tines in an up... | 09/07/1993 |
| 5179825 | Sand rake A rake is disclosed herein for smoothing and contouring sand which includes an elongated base having a centrally located handle normal to the base and a plurality of rake teeth in a row outwardly projecting from the base in a staggered relationship from o... | 01/19/1993 |
| 5025621 | Combination garden implement A combination garden cultivating and pruning device for manual operation having a metal head of generally rectangular shape comprising four cultivating implements, a pruning device and a handle of sufficient length to use while standing up having a cavity... | 06/25/1991 |
| 4879871 | Beach combing apparatus A beach combing apparatus is set forth wherein a plurality of spaced runners have secured therebetween an elongate blade member formed with a forwardly positioned beveled planar blade formed with a spaced parallel rear overfolded edge to provide strength ... | 11/14/1989 |
| 4827706 | Combined spreading and sifting device for leveling soil The leveling device includes a panel of expanded metal that is maintained in a planar or flat condition by means of a plurality of laterally spaced fins, the expanded metal being welded to the lower edges of the fins. Welded to the upper edges of the fins... | 05/09/1989 |
| 4602474 | Adjustable hoe attachment for rake The invention is an attachment composed of steel which attaches and is adjustable to any size garden rake. The invention allows a standard rake to be converted in effect to a hoe, which can be used for weeding, trimming or any similar operations.... | 07/29/1986 |
| 4435951 | Gardening device A gardening device for operating on grass faces includes an operating device which is securable to an elongated handle and which has a plurality of cutting-like faces with conduits therebetween. The cutting-like faces are directed to the grass face to be ... | 03/13/1984 |
| 4179828 | Multi-purpose labor saver hand tool A multi-purpose handle-directed, manually propelled wheeled vehicle particularly well adapted for safe snow removal, load carrying, and similar labor saving tasks in rough and uncertain terrain; in preferred embodiment a frame having open lenticular shape... | 12/25/1979 |
| 3987609 | Garden tool A manually operable garden tool combines the functions of rake and weeder with separate sections used for weeding and raking.... | 10/26/1976 |
| 3942271 | Backhoe attachment A housing having a V-shaped cross-section is adapted to be positioned over the teeth of a backhoe bucket. An earth moving blade is secured to the lowermost portion of the housing. Lugs are secured to the inside surfaces of adjoining teeth of the backhoe b... | 03/09/1976 |