Inventor
ANDREWS DANIEL E
US13 patents
⚠️ This page may combine multiple inventors who share the name “ANDREWS DANIEL E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NAT OPTRONICS INC
10 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
US7874079B2Jan 25, 2011
Holding mechanism for use with an ophthalmic tracer, and method
NAT OPTRONICS INC9 citations81
US7080907B2Jul 25, 2006
System and method for aligning reference marks on a lens blank using adjustable alignment marks
NAT OPTRONICS INC2 citations60
USD545848SJul 3, 2007
Alignment markings for lens blanks
NAT OPTRONICS INC0 citations50
USD527031SAug 22, 2006
Alignment markings for lens blanks
NAT OPTRONICS INC1 citations50
USD519134SApr 18, 2006
Alignment markings for lens blanks
NAT OPTRONICS INC0 citations50
USD505141SMay 17, 2005
Computer generated alignment markings for lens blank displayed on a display
NAT OPTRONICS INC0 citations50
US6846078B2Jan 25, 2005
System and method for aligning reference marks on a lens blank using adjustable alignment marks
NAT OPTRONICS INC1 citations50
US8656602B2Feb 25, 2014
Holding mechanism for use with an ophthalmic tracer, and method
NAT OPTRONICS INC0 citations49