Inquiry (采购产品): Prototype I filed a patent that relates to keeping string instruments in tune. I want to work on a prototype for the piano. Would love to have a telephone conversation. This project would be highly specialized mechanical engineering. My email is cosmos.lyles@gmail.com Cosmos **** Hidden Message ***** Cosmos Lyles NY 10003 USA Company: Cosmic Products Phone: 4159949459 E-mail: cosmos.lyles@gmail.com **** Hidden Message ***** cosmos.lyles@gmail.com