RD

Ronnie J. Duncan

📍 Palm Springs, FL: #1 of 24 inventorsTop 5%
🗺 Florida: #4,369 of 67,251 inventorsTop 7%
Overall (All Time): #426,757 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
6782866 Rotary machine and thermal cycle 2004-08-31
6684825 Rotary machine and thermal cycle 2004-02-03
6672275 Rotary machine and thermal cycle 2004-01-06
6658838 Shaped charge engine 2003-12-09
6484687 Rotary machine and thermal cycle 2002-11-26
6430919 Shaped charged engine 2002-08-13
5458444 Apparatus for cutting a hole 1995-10-17
5433560 Apparatus for drilling holes in a workpiece 1995-07-18
4806258 Straining and stop valve 1989-02-21
4722794 Straining and stop valve 1988-02-02
4553277 Faucet and clamping mechanism 1985-11-19
4390159 Snap-on shut off valve 1983-06-28