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Leung C. Sum — 2 Patents

CCCreate Co.: 1 patents #3 of 4Top 75%

TCThe Coleman Company: 1 patents #190 of 327Top 60%

Tsuen Wan, CN: #172 of 485 inventorsTop 40%

Overall (All Time): #1,709,992 of 4,157,543Top 45%

2 Patents All Time

Leung C. Sum has been granted 2 US patents while listed as an inventor at Create Co.. The first was granted in 1987 and the most recent in March 1996. Leung C. Sum ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Leung C. Sum in Tsuen Wan, CN.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
D367933	Lantern	—	1996-03-12
4663697	Fluorescent lantern with removable fluorescent tubes	David K. Stearns, Jacob Henegar	1987-05-05	$1,389,000

Leung C. Sum — 2 Patents

Issued Patents All Time

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