Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 7591379 | Screen/mixer A device (10) for sieving and/or mixing is disclosed which includes a base (12) and a container (13) mounted thereon for rotation about an axis which is substantially horizontal. The container has a peripheral wall (14) extending angularl... | 09/22/2009 |
| 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 |
| 7222900 | Motion assisted manure fork A motion assisted manure fork having a handle, a fork head having a plurality of tines, a leverage assembly and a motor assembly that imparts a sinusoidal motion to the plurality of tines. The fork head includes a frame having a neck dimensioned to receive one end o... | 05/29/2007 |
| 7222899 | Motion assisted manure fork A motion assisted manure fork having a handle, a fork head having a plurality of tines, and a motor assembly that imparts a sinusoidal motion to the plurality of tines. The fork head includes a frame having a neck dimensioned to receive one end of a handle and a plu... | 05/29/2007 |
| 7172229 | Adjustable sifting shovel The present invention teaches a shovel having a scoop with a bottom perforated by apertures and a movable sifting plate held in one of a plurality of possible positions by means of a retainer plate. The sifting plate may have apertures which do not overlap the apert... | 02/06/2007 |
| 7111741 | Multi-purpose rake The multi-purpose rake includes a rake head and a detachable pole for pulling the rake across a surface. The rake head has a frame with two arced end ribs, an upper and a lower crossbar extending between the end ribs. The upper crossbar has a sleeve or other attachm... | 09/26/2006 |
| 7070006 | One shot shovel A shovel which has a blade and a handle, the blade having first and second side edges and first and second wings extending outwardly and upwardly from respective side edges, each of the wings having a front edge which merges with a respective shovel side edge at a p... | 07/04/2006 |
| 7047907 | Litter scoop having disposable covering A scoop assembly having a scoop structure with a head section and a handle that extends from the head section. The head section of the scoop structure defines a plurality of openings. A removable liner is provided that lines the head section of the scoop structure. ... | 05/23/2006 |
| 7044520 | Vibrating scoop basket A device is used to extract manure from bedding material in a manner that maximizes the amount of manure extracted from the bedding material. The device includes a detachable scoop head having a plurality of apertures, a detachable motor assembly coupled to the scoo... | 05/16/2006 |
| 7003849 | Self locking hinge The present invention is an ingenuously designed self locking hinge that is simple to manufacture and can come in a variety of shapes given the application requirements. It has few parts making it cost effect and simple to use. The hinge can easily be opened and clo... | 02/28/2006 |
| 6950247 | Zoom lens and image pickup apparatus A zoom lens of a novel configuration suitable for a collapsible lens barrel is disclosed. More specifically, here is disclosed a zoom lens, comprising four lens units which are, in the order from an object side toward an image side, positive, negative, positive and ... | 09/27/2005 |
| RE38765 | Combination screen/conveyor device removably attachable to a vehicle In combination a screen, a shaker, a conveyor and carbody device which is attachable to a vehicle of choice, such as an hydraulic excavator, a backhoe, etc., and when installed thereon allows the vehicle to perform as a padding machine. ... | 08/02/2005 |
| 6789337 | Screening apparatus A screening apparatus is removably connected to a prime mover having an excavating bucket or loading shovel. The screening apparatus includes a material feed conveyor that feeds material to a screening device. A mounting mechanism and associated adjustment mechanism... | 09/14/2004 |
| 6375012 | Segregator bucket A segregator bucket comprises an open-fronted shell including a pair of opposed sidewalls and a rear wall, the rear wall including a plurality of curved, transversely spaced primary ribs defining spaces therebetween, a cage member being mounted in the she... | 04/23/2002 |
| 6350524 | Hydrophilic polyurethane-coated chloride-selective electrodes The present invention relates to chloride-selective electrodes which comprise insoluble metal salt layer and a protecting membrane formed of hydrophilic polyurethane thereon, wherein the hydrophilic polyurethane coated chloride-selective electrodes show f... | 02/26/2002 |
| 6334538 | Stall cleaner A stall cleaner that scoops material, such as a mixture of wood shavings and animal manure, sifts selected material out of the scooped material and collects remaining material in a receptacle. The cleaner includes a stationary portion and a vibrating port... | 01/01/2002 |
| 6138837 | Combination screen/conveyor device removably attachable to a vehicle In combination a screen, a shaker, a conveyor and carbody device which is attachable to a vehicle of choice, such as an hydraulic excavator, a backhoe, etc., and when installed thereon allows the vehicle to perform as a padding machine.... | 10/31/2000 |
| 6095340 | Lawn and garden pan A lawn and garden pan having a substantially horizontal bottom wall panel having a substantially triangular configuration. The front end of the pan is open and it has numerous teeth extending forwardly along its entire length. The bottom wall panel has nu... | 08/01/2000 |
| 6059119 | Rock screed bucket The present new, improved rock screed bucket has a solid rectangular back plate together with a framework having a rectangular bottom and a pair of generally triangular shaped sides. The solid rectangular back plate acts as a backstop. The rectangular bot... | 05/09/2000 |
| 5848697 | Sifter A sifter employing a scoop formed from sheet metal provided with substantially diamond shaped apertures having inwardly extending declining walls with respect to the top surface of the scoop to facilitate separation of different size particles, such as ho... | 12/15/1998 |
| 5601325 | Material moving shovel and the like A material moving tool is provided and includes a blade and a handle for manipulating the blade. The blade has an outside perimeter defining the area of the blade. The blade has a plurality of ring shaped apertures therethrough. The blade has a material s... | 02/11/1997 |
| 5383696 | Multi-purpose shovel like tool A shovel is disclosed having a conventional shovel handle and yoke with the surface formed of flattened expanded metal. The flattened expanded metal is conventional and of the type that forms a grid of four sided diamond shaped openings having an elongate... | 01/24/1995 |
| 5306061 | Shovel device A shovel device is arranged to include a shovel blade having first and second ends, including a concave front wall coextensive with a convex rear wall, with spaced parallel ribs extending in a parallel relationship parallel to themselves and to the side w... | 04/26/1994 |
| 5205122 | Combination sand rake and shovel A combination sand rake and shovel providing the ability to clean sandy with a tool having two configurations. When configured as a shovel, the debris may be lifted directly from the sand. When configured as a rake, the debris can be screened in a directi... | 04/27/1993 |
| 4988005 | Sifter A hand tool for sifting soil in gardens, recovering buried articles and for other similar purposes where aggregate materials are to picked up and filtered to separate larger particles from smaller sized granules and powders. The device comprises essential... | 01/29/1991 |
| 4979623 | Combined tool for retrieving buried objects A combined tool for retrieving buried objects comprises an elongate handle having a first digging tool at one end and a second digging tool at the other end, one of said digging tools comprising a digging implement for digging in compacted material, and t... | 12/25/1990 |
| 4822090 | Shovel for placer mining A shovel for placer mining for use in the riverbed including a shovel handle, a shovel blade fixedly attached to the handle with four elongated rectangular openings on its surface, a shovel scoop detachably screwed beneath the blade and formed with a conc... | 04/18/1989 |
| 3979146 | Beach cleaning apparatus Beach cleaning apparatus that includes a generally U-shaped bracket that opens downwardly, a handle attached to the bracket to manually pull the bracket forwardly, an open mesh bag, fastener mechanism for releasably securing the adjacent parts of the mout... | 09/07/1976 |
