H01J 7/42

Means structurally associated with the tube or lamp for indicating defects or

Official title: Means structurally associated with the tube or lamp for indicating defects or previous use

H01J7/42 (Means structurally associated with the tube or lamp for indicating defects or) appears on 3 US grants and 3 published applications in this corpus.

Search patents in H01J
Granted patents
3
Published applications
3
Assignees
5
Inventors
17
Latest grant
18 Apr 2017