Assignee

LUM VICTOR

3 patents

Top patents by PatentIndex Score

US4359291ANov 16, 1982

Multicolor pen

LUM VICTOR10 citations69

US4274102AJun 16, 1981

Multi-element writing instrument

LUM VICTOR16 citations69

US4236418ADec 2, 1980

Multi-element writing instrument

LUM VICTOR6 citations58