Number | Name | Date | Kind |
---|---|---|---|
D306689 | Hamann | Mar 1990 | |
4648263 | Deysarkar et al. | Mar 1987 | |
5369988 | Selby | Dec 1994 |
Entry |
---|
VWR Scientific; Saybolt Visocity Tube; .COPYRGT.1989/90; p. 1053. |
Ser. No. 08/308918 filed Sep. 20, 1994, "Rotor-Stator Adapter for Sensitive Rotating Viscometers." |
Number | Date | Country | |
---|---|---|---|
Parent | 308918 | Sep 1994 |