Inventor
RATHBONE JOHN T
US5 patents
⚠️ This page may combine multiple inventors who share the name “RATHBONE JOHN T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NAT OPTRONICS INC
4 patentsUS6618952B2Sep 16, 2003
Tracer, clamp, and object engager for holding and tracing a lens mount of an eyeglass frame, a lens, and/or a lens pattern, to reliably detect a shape thereof even when the shape includes high wrap
NAT OPTRONICS INC19 citations89
US6243960B1Jun 12, 2001
Tracer, clamp and object engager for holding and tracing a lens mount of an eyeglass frame, a lens, and/or a lens pattern, to reliably detect a shape thereof even when the shape includes high wrap
NAT OPTRONICS INC26 citations89
US6249991B1Jun 26, 2001
Control system for eyeglass tracer
NAT OPTRONICS INC10 citations70
US6481109B2Nov 19, 2002
Control system for eyeglass tracer
NAT OPTRONICS INC5 citations59