Number | Date | Country | Kind |
---|---|---|---|
86 11084 | Jul 1986 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
2891052 | Boettner et al. | Jun 1959 | |
3839318 | Mansfield | Oct 1974 | |
3952066 | Glickman et al. | Apr 1976 | |
4089804 | Falk | May 1978 |
Number | Date | Country |
---|---|---|
1468176 | Dec 1968 | DEX |
2144122 | Feb 1985 | GBX |
2181734 | Apr 1987 | GBX |
Entry |
---|
French Patent Office Search Report, Oct. 23, 1987 FR 8611084. |