Philip Retz

📍 Washington, DC: #527 of 3,063 inventorsTop 20%

🗺 District of Columbia: #527 of 3,063 inventorsTop 20%

Overall (All Time): #1,064,512 of 4,157,543Top 30%

Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
4686376	Tide turbine	—	1987-08-11
4660948	Eye chart	—	1987-04-28
4501327	Split casing block-off for gas or water in oil drilling	—	1985-02-26
4382746	Vortex turbine apparatus	—	1983-05-10
4365929	Vertical wind turbine power generating tower	—	1982-12-28