...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 |
| D596189 | Tiltable mounting head for an electronic display | 07/14/2009 |
| D589965 | Base stand for sensor bar | 04/07/2009 |
| D587717 | Game controller cover | 03/03/2009 |
| D582422 | Keyboard | 12/09/2008 |
| D581934 | Sight shield for ATM keypad or the like | 12/02/2008 |
| D581422 | Portion of a game controller | 11/25/2008 |
| D576161 | Console for a book or other similar article | 09/02/2008 |
| D571816 | Computer mouse topcase | 06/24/2008 |
| D570854 | Game controller cover | 06/10/2008 |
| D570356 | Keyboard | 06/03/2008 |
| D568884 | Hand-held electronic game machine | 05/13/2008 |
| D567879 | Electronic control device | 04/29/2008 |
| D561190 | Controller for arithmetic and control unit | 02/05/2008 |
| D560723 | Electronic control device | 01/29/2008 |
| D556759 | Hand-held electronic game machine | 12/04/2007 |
| D550522 | Mouse grater | 09/11/2007 |
| D550224 | Replaceable mouse cover | 09/04/2007 |
| D547763 | Portion of a game controller | 07/31/2007 |
| D547319 | Mouse charger | 07/24/2007 |
| D543212 | Object for interfacing with a computer program | 05/22/2007 |
| D540396 | Cover for hand-held electronic game machine | 04/10/2007 |
| D534962 | Cover for a game controller | 01/09/2007 |
| D532829 | Cover for hand-held electronic game machine | 11/28/2006 |
| D525262 | Console for surveillance system controller | 07/18/2006 |
| D522012 | Portion of a game controller | 05/30/2006 |
| D522011 | Portion of a game controller | 05/30/2006 |
| D521567 | Cover for a game controller | 05/23/2006 |
| D521015 | Portion of a game controller | 05/16/2006 |
| D503177 | Computer mouse cover | 03/22/2005 |
| 6867765 | Use of a paper pad with uniquely identified pages in a digitizer system The present invention pertains to an input system for inputting information from a user, the input device system including at least one sheet of a writing medium having a unique identifier located thereon, a stylus input device for writing on the writing medium and ... | 03/15/2005 |
| D489378 | Portion of an attachment arm | 05/04/2004 |
| D487749 | Portion of an attachment arm | 03/23/2004 |
| 5949406 | Mouse crown A finger support device to be attached to a top surface of a computer mouse. The finger support device includes two or more spherical shaped recesses that are configured to accept two or more fingers of the user of the mouse so that the user's fingers are... | 09/07/1999 |
| 5851623 | Protective cover for a hand operated computer control device A protective cover for a hand operated computer control device. The device includes a cover having a cavity shaped to receive a control device such that the control device is releasably held within the cavity. The cover further includes weakened sections ... | 12/22/1998 |
| 5409107 | Computer mouse holder A computer mouse holder including a pocket which attaches to a component of a computer system by a coacting cohesive fastener and a spring loaded closure for the purpose of retaining the computer mouse within the pocket. An alternate embodiment comprises ... | 04/25/1995 |
| 4831736 | Carriage for a computer mouse The invention is directed to a carriage for guiding a computer mouse. The bottom surface of the carriage is recessed for insertion of a computer mouse therein. The mouse is removably clamped in the recess to prevent relative movement to the carriage. The ... | 05/23/1989 |