Number | Name | Date | Kind |
---|---|---|---|
D286570 | Williams | Nov 1986 | |
D297054 | Williams | Aug 1988 | |
D300561 | Asa et al. | Apr 1989 | |
4721680 | Jeffs et al. | Jan 1988 | |
5192511 | Roach | Mar 1993 | |
5223225 | Gautsch | Jun 1993 | |
5403553 | Heinonen | Apr 1995 |
Entry |
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The Fisher Catalog "Ultra Micro Tips" Pipetters p. 1242 @1993/1994. |