Joseph Lem — 2 Patents at Trojan Technologies

Joseph Lem has been granted 2 US patents while listed as an inventor at Trojan Technologies. The first was granted in 2003 and the most recent in March 2005. Joseph Lem ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Joseph Lem in London, ON, CA.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
6863078	Fluid treatment system and cleaning apparatus therefor	Vivian Dall'Armi, Gang Fang, Yuri Lawryshyn, Douglas Penhale	2005-03-08
6518577	Optical radiation sensor system with cleaning device	Gang Fang, John R. Houghton, Yuri Lawryshyn, Michael Sasges, Alex Verdun	2003-02-11

Joseph Lem — 2 Patents

Issued Patents All Time

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