26 AUTOMATIC ELECTRONIC MACHINE SAFETY SYSTEM FOR PROTECTING PERSONNEL FROM INJURY, COMPRISING A PHOTOELECTRIC SYSTEM OF OPTICAL ELEMENTS AND PHOTOSENSITIVE ELEMENTS COUPLED WITH AN EXTENDED LIGHT SOURCE
PHOTOSHIELD
Trademark Events
Nov 4, 1992
Expired Sec. 9
Aug 29, 1977
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.