Patent Grant
D415819
| Number | Name | Date | Kind |
|---|---|---|---|
| D349567 | Miller et al. | Aug 1994 | |
| D403741 | Rao et al. | Jan 1999 | |
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| 3442392 | Skelley | May 1969 | |
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| Number | Date | Country |
|---|---|---|
| 855068 | Dec 1955 | GBX |
| 1005987 | Sep 1963 | GBX |
| 1337170 | Dec 1971 | GBX |
| Entry |
|---|
| "Ultipor Composite Filter Structure", Pall Corporation, 1992. |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 060233 | Sep 1996 |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 031227 | Nov 1994 | |
| Parent | 024481 | Jun 1994 | |
| Parent | 682452 | Apr 1991 |
