William Appel — 1 Patent

STSequal Technologies: 1 patents #10 of 13Top 80%

TLTeijin Limited: 1 patents #850 of 1,631Top 55%

San Diego, CA: #15,630 of 23,606 inventorsTop 70%

California: #247,236 of 386,348 inventorsTop 65%

Overall (All Time): #3,470,046 of 4,157,543Top 85%

1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6691702	Portable oxygen concentration system and method of using the same	David Phillip Winter, Brian Sward, Masato Sugano, Edmund Salter, James A. Bixby	2004-02-17