| Patents for A63D 9 - Pins (126) | |
|---|---|
| 07/1993 | |
| 07/13/1993 | US5226648 Bowling apparatus with automatic detecting function for remaining pins |
| 01/1992 | |
| 01/28/1992 | US5083781 Bowling pin inserted base |
| 01/14/1992 | US5080842 Method of producing a bowling pin of synthetic material |
| 11/1990 | |
| 11/20/1990 | US4971322 Bowling pin of synthetic material |
| 01/1990 | |
| 01/16/1990 | US4893814 Plastic candlepin construction |
| 09/1989 | |
| 09/12/1989 | US4865320 Bowling pin base |
| 07/1989 | |
| 07/18/1989 | US4848745 Fiber reinforced article |
| 12/1988 | |
| 12/27/1988 | US4793614 Plastic bowling pin |
| 08/1987 | |
| 08/12/1987 | CN86207140U Multipurpose foldable chess case |
| 04/1987 | |
| 04/07/1987 | CA1220238A1 Plastic bowling pin and method of making the same |
| 12/1986 | |
| 12/23/1986 | US4630820 Plastic coated bowling pin |
| 02/1986 | |
| 02/11/1986 | US4569521 Composite baseball bat having swaged spar and plastic foam covering |
| 09/1985 | |
| 09/17/1985 | US4541629 Plastic baseball bat and method of making the same |
| 07/1984 | |
| 07/03/1984 | US4457511 Plastic bowling pin and method of making the same |
| 05/1984 | |
| 05/01/1984 | US4445688 Wood core |
| 09/1982 | |
| 09/28/1982 | US4351786 Method for making a stress-relieved composite foamed resin baseball bat or bowling pin |
| 09/28/1982 | US4351530 Plastic bowling pin |
| 03/1982 | |
| 03/30/1982 | US4322078 Bowling pin base |
| 03/02/1982 | CA1119210A1 Bowling pin and process therefor |
| 07/1980 | |
| 07/08/1980 | US4210992 Method of making a molded plastic bowling pin |
| 08/1979 | |
| 08/28/1979 | US4165875 Bowling pin |
| 06/1979 | |
| 06/05/1979 | CA1055983A1 Plastic bowling pin |
| 10/1978 | |
| 10/31/1978 | US4123057 Molded plastic bowling pin and method for the manufacture thereof |
| 08/1978 | |
| 08/01/1978 | US4104352 Method of making a bowling pin |
| 10/1976 | |
| 10/05/1976 | US3984104 Plastic bowling pin |
| 08/1976 | |
| 08/10/1976 | US3974015 Method of forming compression molded article |
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