Number | Name | Date | Kind |
---|---|---|---|
1923512 | Stein | Aug 1933 | |
1968531 | Ledwinka | Jul 1934 | |
2331321 | Heaton | Oct 1943 | |
2674488 | Lyijynen et al. | Apr 1954 | |
2763586 | Noyes | Sep 1956 | |
3042446 | Stahl | Jul 1962 | |
3126978 | Bergstrom | Mar 1964 | |
3160549 | Caldwell et al. | Dec 1964 | |
3212811 | Strasser | Oct 1965 | |
3265530 | Marzocchi et al. | Aug 1966 | |
4172918 | Deerer | Oct 1979 | |
4195112 | Sheard et al. | Mar 1980 | |
4211590 | Stewart et al. | Jul 1980 | |
4256797 | Stamper et al. | Mar 1981 | |
4320167 | Wishman | Mar 1982 | |
4352522 | Miller | Oct 1982 | |
4363848 | Le Duc et al. | Dec 1982 | |
4451315 | Miyazaki | May 1984 | |
4474846 | Doerer et al. | Oct 1984 | |
4610478 | Tervol | Sep 1986 | |
4741945 | Brant et al. | May 1988 | |
4803112 | Kakimoto et al. | Feb 1989 | |
4840832 | Weinle et al. | Jun 1989 |
Number | Date | Country |
---|---|---|
0373135 | Jun 1990 | EPX |
2615793 | Oct 1977 | DEX |
3335669 | May 1985 | DEX |
3811778 | Nov 1988 | DEX |
19602551 | Aug 1997 | DEX |
1149270 | Apr 1969 | GBX |
9806600 | Feb 1998 | WOX |
Entry |
---|
Database WPI, Section Ch, Week 8932 Derwent Publications Ltd; Class A95, AN 89-232257 XP002079958. |
Database WPI, Section Ch, Week 9007, Derweent Publications Ltd; Class A35, AN 90-047825 XP002079959. |