InventHelp is one of the better-known companies in the invention services industry, with decades of experience working with independent inventors who want help taking an idea from an early concept to a more developed stage. The company offers a range of invention-related services, including assistance with preparing invention materials, prototype and technical drawing services, patent referral resources, and opportunities to present inventions to companies that may be interested in reviewing new product ideas. For many first-time inventors, having these services available in one place can make an unfamiliar process easier to understand and manage.