Inventor
PENKETHMAN JOHN A
US5 patents
⚠️ This page may combine multiple inventors who share the name “PENKETHMAN JOHN A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ELECTROGLAS INC
4 patentsUS5450203ASep 12, 1995
Method and apparatus for determining an objects position, topography and for imaging
ELECTROGLAS INC251 citations96
US5515452AMay 7, 1996
Optical character recognition illumination method and system
ELECTROGLAS INC112 citations92
US6549649B1Apr 15, 2003
Apparatus and method for projecting an alignment image
ELECTROGLAS INC11 citations71
US6668076B2Dec 23, 2003
Apparatus and method for projecting an alignment image
ELECTROGLAS INC3 citations60