Did You Know...
...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 |
| 7210645 | Safety element retention reel A safety element retention system having a reel upon which a safety element or strap may be wound, a spring return mechanism, for rewinding the reel and retrieving the safety strap, and further having at least one locking plate, connected integrally with the reel, w... | 05/01/2007 |
| 7111806 | Spool for supply of image receiving medium A spool for a supply of printing material includes a first part having a shaft on which the supply of printing material is mountable, and a second part having an opening and being arranged to retain the supply of printing material mounted on the first part. The open... | 09/26/2006 |
| 6575398 | Reel for embossed carrier tape A pair of flanges (12, 12) which have through-holes (17) for a rotating shaft, and a shaft part which connects the central parts of these flanges (12, 12) at a specified spacing, are formed from cardboard plates; furthermore, the above-mentioned shaft par... | 06/10/2003 |
| 6267324 | Metal spool having high torque transmitting capacity between spool components A high torque capacity metal spool. The spool comprises a cylindrical barrel, a pair of flanges and a pair of flange hubs. Formed metal curls formed of metal edges of the cylindrical barrel, the flanges and the flange hubs secure the cylindrical barrel to... | 07/31/2001 |
| 5873540 | Adjustable christmas light spool An adjustable Christmas light spool including a pair of covers each including a torus portion. The torrid portion is defined by a full torus sliced by a plane which resides perpendicular with respect to a center axis of the full torus thereby defining an ... | 02/23/1999 |
| 5791590 | Universal reel A reel design is provided which can be easily manufactured as blanks, efficiently stored, quickly assembled and disassembled, and compatible for use in a clean room. The reel is preferably formed from corrugated plastic and comprises two planar flanges, e... | 08/11/1998 |
| 5735483 | Cardboard reel clip holder A reel may be fabricated from three flat pieces of die-cut cardboard wherein the center or hub section is defined by laterally projecting tabs from a longitudinal strip. The tabs fit through pairs of slots defined in the side members of the reel. The enti... | 04/07/1998 |
| 5647557 | Collapsible spool formed by a plurality of interlocking plates A spool includes a plurality of plates having a body and a pair of legs defining a winding area for receiving rope, wire or similar material. Each plate further includes a slot in the body and a tab extending from the body. The tab of one plate is inserte... | 07/15/1997 |
| 5203516 | Heavy duty spool Heavy duty spools having the capacity to hold at least about 375 to 675 pounds of product, such as between about 2,800 and about 3,000 unfilled plastic or paper bags which are sized to hold disposable diapers, are disclosed. The heavy duty spools of the i... | 04/20/1993 |
| 4993655 | One-piece tape reel A tape reel is described which is a one-piece, integrally, molded member. A planar continuous flange is connected to a central hub. A plurality of petals or ears is molded in an upright condition to be movably connected to the upper end of the hub. The ea... | 02/19/1991 |
| 4620676 | Dismountable reel A dismountable reel having two circular side members with inside and outside faces, attachment rings on the inside faces of the side members, with openings around the rings, a core member formed of a strip of sheet metal, junctions at the ends of the stri... | 11/04/1986 |
