 
                 Patent Grant
 Patent Grant
                     6655687
 6655687
                    | Number | Date | Country | Kind | 
|---|---|---|---|
| 9902031 U | Jul 1999 | ES | 
| Number | Name | Date | Kind | 
|---|---|---|---|
| 1722986 | McAlice | Jul 1929 | A | 
| 2711900 | Tressler | Jun 1955 | A | 
| D276447 | Escamilla-Kelly | Nov 1984 | S | 
| 4651996 | Watkins, Jr. | Mar 1987 | A | 
| 5011148 | Stebing | Apr 1991 | A | 
| 6279903 | Mendes, Jr. et al. | Aug 2001 | B1 | 
| 20010009316 | Krise et al. | Jul 2001 | A1 | 
| Number | Date | Country | 
|---|---|---|
| 224341 | Nov 1976 | ES | 
| Entry | 
|---|
| PLINKO, Jan. 3, 1983—Present, wysiwyg://222/http://meltingpot.fortunecity.com/harrow/953/plinko.htm—pp. 1-9. |