Inventor · disambiguated record
Chung S. Leung
Also filed as: LEUNG CHUNG S · LEUNG CHUNG SUM · LEUNG CHUNG-SUM FREDERICK
14 granted patents·118 citations·filing 1975–2013
91Inventor score
Technology areasF21Y
Top patents by PatentIndex Score
14 records- 0182USD267514SPortable lanternFOSTER INDUSTRIES CO LTD·Filed 1980·Granted Jan 4, 1983·20 cites·1 claims
- 0281USD263454STraffic bollardFOSTER INDUSTRIES CO LTD·Filed 1979·Granted Mar 23, 1982·16 cites·1 claims
- 0380USD747022SLED portable lanternCREATE LTD·Filed 2013·Granted Jan 5, 2016·27 cites·1 claims
- 0475US7677759B1LED flashlight lanternCREATE LTD·Filed 2008·Granted Mar 16, 2010·13 cites·14 claims
- 0575USD290417SVacuum cleanerFOSTER INDUSTRIES COMPANY LTD·Filed 1984·Granted Jun 16, 1987·14 cites·1 claims
- 0664USD333527SRechargeable flashlightFOSTER IND CO LTD·Filed 1991·Granted Feb 23, 1993·12 cites·1 claims
- 0746USD276851SMulti-function portable lanternFOSTER INDUSTRIES COMPANY LTD·Filed 1982·Granted Dec 18, 1984·4 cites·1 claims
- 0845USD264563SVehicle battery condition indicatorFOSTER IND CO LTD·Filed 1980·Granted May 25, 1982·4 cites·1 claims
- 0941USD479620SLanternCREATE LTD·Filed 2002·Granted Sep 9, 2003·4 cites·1 claims
- 1040USD250217SFluorescent lanternFOSTER INDUSTRIES CO LTD·Filed 1977·Granted Nov 7, 1978·2 cites·1 claims
- 1133USD285974SCombined fluorescent and incandescent lanternFOSTER INDUSTRIES COMPANY LTD·Filed 1984·Granted Sep 30, 1986·1 cites·1 claims
- 1233USD243474SPortable fluorescent lanternFOSTER IND CO LTD·Filed 1975·Granted Feb 22, 1977·1 cites·1 claims
- 1329USD287643SCombined portable fluorescent light and incandescent lanternFOSTER INDUSTRIES COMPANY LTD·Filed 1984·Granted Jan 6, 1987·0 cites·1 claims
- 1429USD258539SInspection lamp for automobilesFOSTER IND CO LTD·Filed 1978·Granted Mar 10, 1981·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →