Number | Name | Date | Kind |
---|---|---|---|
397214 | Atwood | Feb 1889 | A |
3044656 | Combs et al. | Jul 1962 | A |
4002261 | Litchfield | Jan 1977 | A |
4271975 | Ketner et al. | Jun 1981 | A |
5036979 | Selz | Aug 1991 | A |
5037027 | Nichols | Aug 1991 | A |
5531326 | Hummel et al. | Jul 1996 | A |
5632392 | Oh | May 1997 | A |
Entry |
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FEBRA-Kunststoffe GmbH & Co., Klingenberger Str. 2, D-74336 Brackenheim, Germany, product brochure and photographs, (Jan. 1996). |