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| Kind | Application | Granted | Utility |
| Year | 2005 | 1990 | 1994 |
| Kind | Application | Granted |
| Year | 1990 | 1967 |
| Kind | Application | Granted |
| Year | 1980 | 2015 |
| Kind | Application | Granted | Utility |
| Year | 2010 | 2014 | 2009 |
| Kind | Application | Granted |
| Year | 1978 | 1978 |
| Kind | Application | Granted |
| Year | 1980 | 1980 |
| Kind | Application | Granted | Utility |
| Year | 1985 | 1985 | 1985 |
| Kind | Application | Granted | Utility |
| Year | 1987 | 1987 | 1999 |
| Kind | Application | Granted |
| Year | 1980 | 1980 |
| Kind | Application | Granted |
| Year | 1978 | 1980 |
| Kind | Patents | Utility |
| Year | 2004 | 2004 |
| Kind | Application | Granted |
| Year | 1980 | 1990 |
| Kind | Application |
| Year | 1981 |
| Kind | Application |
| Year | 1980 |
| Kind | Application | Granted |
| Year | 2004 | 1972 |
| Kind | Application | Granted | Utility |
| Year | 1976 | 1993 | 1994 |
| Kind | Application | Granted | Utility |
| Year | 1983 | 1979 | 1979 |
| Kind | Application |
| Year | 1980 |
| Kind | Application | Granted |
| Year | 1990 | 1997 |
| Kind | Application | Granted | Utility |
| Year | 1994 | 1994 | 1994 |
| Kind | Application | Granted | Utility |
| Year | 2003 | 2000 | 2004 |
| Kind | Application | Granted |
| Year | 2001 | 1920 |
| Kind | Application |
| Year | 1978 |