CAD or Computer Aided Design is just an overall term whichcan be used with many different specialties. Don't think just any CAD designerwill be able to perform the designs necessary for an invention design. Most CADservices only specialize in Architecture, Mechanical, Civil, Electrical, orother fields of design. To find a invention design service who can provideinvention and prototype design your best bet is to search online. Inventors have enough to face with just coming up with anidea that has not only been developed but creating one that has an appeal toits customers from what it does. Once an Inventor reaches this point it's timefor him or her to move onto the patent process which is a whole ordeal itself.First they must research their invention to see if anyone else has somethingsimilar in nature and functionality. This is called a "Patent Search"and several invention companies provide these services to the Inventor. If theyget the heads up the next step in the ...