Number | Name | Date | Kind |
---|---|---|---|
2749383 | Pigman et al. | Jun 1956 | |
3410950 | Freudenberg | Nov 1968 | |
3444596 | Soltysik | May 1969 | |
3501117 | Soltysik | Mar 1970 | |
3514528 | Ray | May 1970 | |
3526381 | Pepe | Sep 1970 | |
3553347 | Harding et al. | Jan 1971 | |
3715456 | Faulkner | Feb 1973 | |
3838387 | Grillet | Sep 1974 | |
4327887 | Kumakura | May 1982 | |
4875876 | O'Loughlin | Oct 1989 | |
4922058 | Rodrigues | May 1990 | |
4958792 | Rinderer | Sep 1990 |
Number | Date | Country |
---|---|---|
731999 | Feb 1943 | DE2 |
Entry |
---|
U.S. Ser. No. 07/624,858, Kreinberg et al., Abstract & Drawings. |
U.S. Ser. No. 07/754,884, Kreinberg et al., Abstract & Drawings. |
U.S. Ser. No. 07/754,873, Kreinberg et al., Abstract & Drawings. |