U.S. patents available from 1976 to present.
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Patent No. 6266829

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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Class 356/248 - Artificial reference


Subclass of Class 356 - Optics: measuring and testing
Definition: Subject matter including, for the purpose of establishing
No. of patents: 42
Last issue date: 07/03/2007


  2  
NumberTitleIssue Date
3958883Radio frequency induced plasma excitation of optical emission spectroscopic samples
In a spectroscopic apparatus, a desolvated aerosol containing sample impurities to be analyzed is introduced into the center of a toroidal shaped plasma which is excited by an inductively coupled radio frequency power oscillator characterized by a single ...
05/25/1976
3942862Image stabilizing optical system having a variable prism
An image stabilized system comprising an afocal telescopic system section, deflecting means and a relay lens system section arranged in this order from the front, said deflecting means including a plano-convex and a plano-concave lens mounted in mating ro...
03/09/1976
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