A patent is a right granted to the owner of an invention that prevents others from making, using, importing or selling the invention without his permission.A patentable invention can be a product or a process that gives a new technical solution to a problem. patent is a right granted to the owner of an invention that prevents others from making, using, importing or selling the invention without his permission.
macula sacÂ´culi a thickening on the wall of the saccule where the epithelium contains hair cells that receive and transmit vestibular impulses. macula utriÂ´culi a thickening in the wall of the utricle where the epithelium contains hair cells that are stimulated by linear acceleration and deceleration and by gravity.
The most prominent spatial calculi are mereotopological calculi, Frank's cardinal direction calculus, Freksa's double cross calculus, Egenhofer and Franzosa's 4- and 9-intersection calculi, Ligozat's flip-flop calculus, various region connection calculi (RCC), and the Oriented Point Relation Algebra.