Combination Beverage Container and Spittoon
A combination beverage container and spittoon includes a bottom portion including outer wall and a first inner wall defining a spittoon space.
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| Number | Title | Issue Date |
| 5383838 | Tachometer and rotor identification system for centrifuges A centrifuge rotor overspeed protection system which can operate with rotors of at least two speed ranges. A set of coding elements are provided on the rotors coded to represent the actual maximum safe speed rating of the rotor. An additional set of codin... | 01/24/1995 |
| 5221250 | Coding of maximum operating speed on centrifuge rotors and detection thereof A centrifuge rotor overspeed protection system which can operate with rotors of at least two speed ranges. A set of coding elements are provided on the rotors coded to represent the actual maximum safe speed rating of the rotor. An additional set of codin... | 06/22/1993 |
| 4865090 | Vial holder A vial holder for a septum closed vial is disclosed which vial holder enables automated vial insertion to and withdrawal from puncturing hypodermics for the removal of contents or the communication of electrodes to liquids within the sealed vial. The vial... | 09/12/1989 |
| 4850951 | Lid retention apparatus for coverage centrifuge rotors In a centrifuge rotor with defined and discrete sample receiving cells, an improvement to the fastening of a lid on top of the rotor by a bolt for preserving gas pressure on sample is provided. The rotor is of the type having a rotor body and rotor adapto... | 07/25/1989 |