EH

Eugene C. Heltemes

3M: 6 patents #2,536 of 11,543Top 25%
Overall (All Time): #894,487 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4884063 Dual status magnetic marker having magnetically biasable flux collectors for use in electronic article surveillance systems Russell W. Church 1989-11-28
4857891 Random-filament, multi-directionally responsive marker for use in electronic article surveillance systems 1989-08-15
4825197 Dual status magnetic marker having magnetically biasable flux collectors for us in electronic article surveillance systems Russell W. Church 1989-04-25
4752758 Demagnetization apparatus for magnetic markers used with article surveilliance systems 1988-06-21
4689590 Demagnetization apparatus for magnetic markers used with electromagnetic article surveillance systems 1987-08-25
4499444 Desensitizer for ferromagnetic markers used with electromagnetic article surveillance systems Samuel Montean 1985-02-12