Inventor

PETERSEN JOEL M

US2 patents

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

WAVEFRONT TECHNOLOGY

1 patent

US7298533B2Nov 20, 2007

Optical films for creating unique optical effects

WAVEFRONT TECHNOLOGY25 citations86

GSI GROUP CORP

1 patent

US7343693B2Mar 18, 2008

Scale assembly for optical encoder having affixed optical reference markers

GSI GROUP CORP2 citations59