Inventor

ATWOOD STEPHEN

US4 patents

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

GREENSTEEL INC

2 patents

US6445384B1Sep 3, 2002

Electronic whiteboard system eraser

GREENSTEEL INC42 citations92

US6353193B1Mar 5, 2002

Electronic whiteboard system and method

GREENSTEEL INC26 citations88

POLYVISION CORP

1 patent

US6667739B2Dec 23, 2003

Electronic whiteboard system eraser

POLYVISION CORP15 citations89

MICROTOUCH SYSTEMS INC

1 patent

US5838309ANov 17, 1998

Self-tensioning membrane touch screen

MICROTOUCH SYSTEMS INC35 citations86