We need help. While you probably still have to invest considerable perspiration yourself, you can get help with some of the sweating. Even Edison had some help. Patent Attorneys and Agents Attorneys and agents can help you make patent searches and applications, if you can't do them yourself. The U.S. Patent Office has geographical and alphabetical listings of such people, but doesn't make recommendations or assume any responsibility for your selection from their lists.
Caution is necessary in dealing with such promoters.
Another firm with 30,000 had only three with successful inventions. They will provide you with samples of their promotional materials and lists of companies to whom they've sent it. You check the promotion firm's reputation with the local Better Business Bureau, Chamber of Commerce, a patent attorney, or a local inventors or innovators club. Invention Brokers Brokers work for a portion of the profits from an invention. They may help inventors raise capital and form companies to produce and market their inventions.