Inventor

GELFOND LISA

US3 patents

⚠️ This page may combine multiple inventors who share the name “GELFOND LISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LEARNING CURVE INTERNATIONAL I

2 patents

US6645031B2Nov 11, 2003

Playboard with collapsing easel

LEARNING CURVE INTERNATIONAL I15 citations79

USD477641SJul 22, 2003

Edges of supports for playboard with easel

LEARNING CURVE INTERNATIONAL I3 citations58

MEYER GLASS DESIGN LTD

1 patent

US5779552AJul 14, 1998

Illusory liquid apparatus

MEYER GLASS DESIGN LTD12 citations68