WC

William L. Courtney

📍 San Francisco, CA: #45 of 1,047 inventorsTop 5%
🗺 California: #953 of 28,521 inventorsTop 4%
Overall (2003): #7,354 of 273,478Top 3%
5
Patents 2003

Issued Patents 2003

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6666622 Personal flotation device with eccentric fixed and mobile ballast and buoyant members Robert Manuel Carmichael 2003-12-23
6659689 Garment integrated personal flotation device Robert Manuel Carmichael 2003-12-09
6558082 Combined ballast and signalling device for a personal flotation device Robert Manuel Carmichael 2003-05-06
6530725 Water safety and survival system Robert Manuel Carmichael 2003-03-11
6527479 Break away counterweight with neutralizing buoyancy offset for diver's safety Robert Manuel Carmichael 2003-03-04