Bizarre Patents
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 |
| 4201479 | Device for measuring the reflection of a plane, specularly reflecting surface The present invention relates to a device for measuring the reflection of a plane, specularly reflecting surface, in which a measuring beam of radiation is directed onto the surface to be measured through an optical converging lens and the radiation refle... | 05/06/1980 |
| 4181161 | Method of producing a high vacuum in a container A method of producing a high vacuum in a container which has limiting walls hich define a reaction chamber which is adapted to be evacuated for vacuum processing purposes, and in which gases are sorbed during vacuum operation and the gases are removed subs... | 01/01/1980 |
