LeytonUSA is legit. However, how much can you attribute to R&D? Leyton will make it sound like you can get tens of thousands and that very well may be the case IF...you have many R&D projects, followed a strict R&D protocol, accounting of all materials, time, labor, equipment used in specific dollars and cents. Doing lab work like we do is not considered R&D, although it's custom (specifically made for one person),our daily lab work doesn't constitute R&D unless it's a specific job (not being used on patients) with the log books/paperwork to prove it with documentation.