Conduct a patent search[1], find out who owns the rights / has used the patent rights and/or other information for tracking down technical specifications. aka W

Conduct a patent search[1], find out who owns the rights / has used the patent rights and/or other information for tracking down technical specifications. aka Where to request technical drawings. If initially was a research project, might be a thesis paper(s) / research documentation on what looking for. [1] : https://www.uspto.gov/patents/search https://www.uspto.gov/patents/search