EH

Edwin Lewis Hull

AB Acuity Brands: 2 patents #42 of 95Top 45%
NE Nsi Enterprises: 2 patents #23 of 58Top 40%
NI National Service Industries: 1 patents #20 of 49Top 45%
Overall (All Time): #1,036,628 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6848798 Emergency lighting unit/exit sign combination Mark Campbell Logan, Andrew Edward Masters 2005-02-01
6499866 Emergency lighting unit/exit sign combination Mark Campbell Logan, Andrew Edward Masters 2002-12-31
6142648 Emergency lighting unit/exit sign combination Mark Campbell Logan, Andrew Edward Masters 2000-11-07
5797673 Emergency lighting unit/exit sign combination Mark Campbell Logan, Andrew Edward Masters 1998-08-25
D379373 Combined exit sign and emergency lamp device Mark Campbell Logan, David T. Garza, Andrew Edward Masters 1997-05-20