LH

Leslie Lawrence Howson

Overall (All Time): #973,925 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10704248 Drainage system 2020-07-07
10190305 Drainage system 2019-01-29
D811558 Drainage outlet 2018-02-27
D657848 Waste outlet 2012-04-17
6799606 Drainage pipe covering kit for use during building or floor construction 2004-10-05