Sam Ma — 3 Patents | Patent Leaderboard

Sam Ma has been granted 3 US patents. The first was granted in 1992 and the most recent in March 2011. Sam Ma ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Sam Ma in Agoura, CA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7913525	Pointer padlock	—	2011-03-29
7698914	Padlock	—	2010-04-20
5148323	Local reference beam generator	Blair F. Campbell, Richard B. Holmes, Dennis M. Guthals	1992-09-15	$7,302,000

Sam Ma — 3 Patents

Issued Patents All Time

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