...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7434501 | Quickly collapsible protective cover unit for a table sawing machine A quickly collapsible protective cover unit for a table sawing machine includes two protective covers, two connecting rods, an elongate base and a dividing plate. The dividing plate has its upper end combined between two lengthwise sides of one end portion of the ba... | 10/14/2008 |
| 7320269 | Blade slit covering on a cutting and feed roller A material cutting and feed roller has a peripheral roller surface that conveys the material to be cut, and a cutting device within the roller that cuts the material. The cutting device has a blade that, when cutting the material, passes through a closeable opening ... | 01/22/2008 |
| 7234380 | Side pressure splitter The present invention is directed to an apparatus for maintaining contact between a portion of a workpiece between a kerf intrusion device and an alignment fence. In an aspect of the present invention, a table saw is configured with a support having a support surfac... | 06/26/2007 |
| 7228773 | Radial arm saw safety top A radial arm saw is adapted with a safety top configured with cutting box enclosure that contains and collects substantially all of the sawdust generated during use. A dust collection system is in fluid communication with the cutting box for removing the sawdust con... | 06/12/2007 |
| 7152515 | Wire cutter for artificial flower stems Cutter suitable for artificial flower stems. Typically, plastic coated wire stems are cut with hand cutters to various lengths in preparing artificial floral arrangements. The invention requires far less physical effort by the operator than is required when using co... | 12/26/2006 |
| 7044039 | Radial arm saw safety top A radial arm saw is adapted with a safety top configured with cutting box enclosure that contains and collects substantially all of the sawdust generated during use. A dust collection system is in fluid communication with the cutting box for removing the sawdust con... | 05/16/2006 |
| 6979153 | Deep-grooving insert having stepped cutting edge A deep-grooving chip-forming cutting insert includes a rear mounting portion, a front cutting portion, and a pair of side walls, each side wall extending along the front and rear portions. The front cutting portion includes a front end surface, a top surface, and a ... | 12/27/2005 |
| 6957601 | Translation stop for use in power equipment Woodworking machines are disclosed having a blade adapted to cut workpieces, and an actuating mechanism operable to move the blade toward the workpiece. The machines also include a detection system configured to detect one or more dangerous conditions between a user... | 10/25/2005 |
| 6886441 | Blade assembly cover A gang blade assembly which controls the trajectory of detritus from a ball grid array substrate dicing operation is described. The assembly includes a cover which partially encases a hub with a plurality of blades. A brush is mounted on the cover to disrupt an air ... | 05/03/2005 |
| 6826992 | Detachable saw blade guard mounting structure for bench saw A mounting structure for connecting detachably a saw blade guard to a worktable of a bench saw includes a first connector at the worktable, a second connector at the saw blade guard, and a fastening member for fastening the second connector to the first connector. T... | 12/07/2004 |
| 6758122 | Guard and control assembly for a compound miter saw A guard assembly for a compound miter saw includes an upper blade guard assembly, a lower blade guard assembly having a movable guard pivotally mounted in the upper blade guard assembly and a linkage assembly. The lower blade guard is pivotally mounted in the upper ... | 07/06/2004 |
| 6691599 | Cutter guard device for a belt saw machine A cutter guard device is adapted for use in a belt saw machine, and includes a stationary hinge leaf formed with a first knuckle unit, a movable hinge leaf formed with a second knuckle unit, and a hinge pin extending through the first and second knuckle u... | 02/17/2004 |
| 6675689 | Circular blade unit A blade unit for cutting sheet material including a base member assembly mounting a circular blade and a cover member for detachable engagement with the base member assembly. The base member assembly includes a supporting wall having a circular upper edge... | 01/13/2004 |
| 6575068 | Guided cutting system A guided cutting system including first and second blade cartridges which are used in association with templates. The blade cartridges each include a head and cover portions wherein the head portion includes a non-use end and a cutting end. The cutting en... | 06/10/2003 |
| 6561064 | Method and apparatus for slitting a sheet material web An apparatus for slitting a sheet material web as it is wound onto a roll including at least one winding drum supporting the web, a moveably reel spool positioned in a parallel and spaced apart relationship with the winding drum, a slitting device and a c... | 05/13/2003 |
| 6216577 | Guided cutting system A guided cutting system including first and second blade cartridges which are used in association with templates. The blade cartridges each include a head portion and cover portion wherein the head portion includes a non-use end and a cutting end. The cut... | 04/17/2001 |
| 5893311 | Protective covers of power saw A power saw is provided with a mechanism for shielding the circular saw blade of the power saw. The shielding mechanism is composed of a first shield, a second and third shield rotatable relative to said first shield, a pivot, a master connection rod, and... | 04/13/1999 |
| 5743161 | Angularly adjustable table saw jig An angularly adjustable table saw jig which comprises a base plate having an upper flat surface for supporting a work piece to be cut, a means for slidably attaching the jig to a table cutting tool, an upwardly extending work advancing abutment rotatably ... | 04/28/1998 |
| 5638731 | Chop saw arrangement A chop saw comprising a table, pivot member, saw assembly, upper guard, lower guard and lever utilizes the lever to maintain the position of the upper guard and lock the saw assembly in the upper rest position by engaging the lower guard with an extension... | 06/17/1997 |
| 5531147 | Saw guard A guard apparatus for covering the cutting edge of a circular blade of a radial power saw includes a pivoting guard member extending over a portion of the cutting edge of the blade, mounted to rotate essentially coaxially with the blade, and a fluid drive... | 07/02/1996 |
| 5499565 | Belt cutting apparatus An apparatus for cutting a conveyor belt. The conveyor belt is clamped against a cutting surface on the base of the apparatus by a pair of parallel clamping bars. A lever arm is pivoted to, and is axially slidable on, a shaft disposed parallel to the clam... | 03/19/1996 |
| 5431078 | Apparatus for slicing a food article A bagel slicer comprising a food holder having a receptacle for holding a bagel, and a blade holder with a blade, a handle and a pair of blade guarding walls. The food holder has a base and a pair of spaced vertical receptacle walls extending upwardly fro... | 07/11/1995 |
| 5410933 | Fret-saw machine A fret-saw machine comprises a base unit having a table on which a workpiece to be cut is placed, a frame member disposed in the base unit and secured to the table, an arm member having one end portion secured to the frame member and another end portion d... | 05/02/1995 |
| 5377569 | Signature booklet maker with a modified fold blade and a trim waste elimination device A signature booklet maker (SBM) finishing apparatus for an image producing device includes a modified fold blade having a plurality of contacting teeth spaced part by a predetermined distance. The contacting teeth further include a predetermined contact s... | 01/03/1995 |
| 5377571 | Safety guard system for band saws and similar equipment A safety guard system for a band saw that comprises a flexible member and a sensor for deactivating the band saw when the flexible member is not deployed correctly. The flexible member has a resting position and a sawing position. In both positions, the f... | 01/03/1995 |
| 5345849 | Fret-saw machine A fret-saw machine comprises a base unit having a table on which a workpiece to be cut is placed, a frame member disposed in the base unit and secured to the table, an arm member having one end portion secured to the frame member and another end portion d... | 09/13/1994 |
| 5303626 | Cutting apparatus A cutting apparatus having a holding member for holding a sheet; a plurality of cutter member for cutting the sheet held by the holding member; and a shifting member engaged by the plurality of cutting member, for shifting the plurality of cutting member ... | 04/19/1994 |
| 5292151 | Self piercing cover assembly for air bag having deformable deflector shield A self piercing cover assembly for concealing an air bag restraint system in a vehicle passenger compartment has a retractable cutter blade that is attached to the underside of an instrument panel next to front end of an invisible door beneath the instrum... | 03/08/1994 |
| 5231906 | Table saw guard A saw guard for a table saw having a horizontal table with a blade access opening and a saw blade extending through the access opening to project above the surface of the table including a blade access opening cover disposed in the access opening and conf... | 08/03/1993 |
| 5152208 | Book feeding and trimming apparatus A trimming apparatus for edge trimming books including a trimmer knife assembly and a conveying apparatus for conveying the books along a path of movement into aligned relationship with the trimmer knife assembly. The conveying apparatus includes a pair o... | 10/06/1992 |
| 4951540 | Shingle ridge cap cutter A shingle ridge cap cutter utilized for cutting uniform sections from roof shingles comprising a frame along which a shingle is guided to a manually operated cutter that comprises spaced blades that are moved to sever a section of the shingle. The cutter ... | 08/28/1990 |
| 4921024 | Method and apparatus to fell a tree A method and apparatus to fell a tree is disclosed. A vehicle mountable felling head includes a circular saw mounted to the felling head. A guard overlays the circular saw as a safety measure. The guard has a first portion which is fixed. The fixed portio... | 05/01/1990 |
| 4919026 | Apparatus for cutting flexible materials A method and apparatus for cutting a length of flexible material from a web includes, more particularly, a method and apparatus for cutting a predetermined width of carpeting without removing pile fibers from the backing, in a manner which greatly enhance... | 04/24/1990 |
| 4885842 | Guard and guide for corn cutters A guard-guide device for protecting the hands of the operator of vertical sweet corn cutters and for keeping cutting knives properly aligned. The device comprises an overlapping set of guards and guides attached to the two halves of a sweet corn cutter to... | 12/12/1989 |
| 4721023 | Saw guard system A saw guard system adapted to be mounted on the headstock quill of a multipurpose woodworking tool includes a rear portion adapted to be clamped to the headstock quill, a front portion which forms a pocket with the rear portion and is adjustable so that t... | 01/26/1988 |
| 4614140 | Safety device for rocking arm saw A safety device for a rocking arm saw includes a blade guard assembly which may be selectively mounted on a handle which rocks the saw blade for crosscutting operations or on a workpiece supporting surface for ripping operations. The blade guard assembly ... | 09/30/1986 |
| 4589314 | Film cutter The present invention relates to an apparatus for cutting motion picture film negatives. The improvements in the present invention film cutting apparatus enable the film cutter to cut the motion picture film negative with a precise, even, clean cut at a l... | 05/20/1986 |
| 4576073 | Saw blade guard A saw blade guard for a table saw or the like includes a flat blade guard arm which is coplanar with the circular cutting blade and has a thickness no greater than that of the blade. The guard includes a yoke portion mounted on a bearing on the blade arbo... | 03/18/1986 |
| 4549456 | Noise damping guard for circular saws A noise damping guard for a circular saw blade of the type mounted for axial rotation relative to a material support plane disposed transverse to the cutting axis of the blade. The guard comprises a stationary lower guard section secured beneath the suppo... | 10/29/1985 |
| 4532841 | Saw blade guard A hood-like saw blade guard for a radial arm saw is mounted for free vertical movement on a support frame detachably connected to the suspended saw blade driving motor housing. The guard extends over the entire saw blade when in its downward position and ... | 08/06/1985 |