DD

David Downham

AE Aktiebolaget Electrolux: 2 patents #139 of 526Top 30%
LL Leslie Hartridge Limited: 1 patents #7 of 14Top 50%
Caterpillar: 1 patents #4,437 of 8,398Top 55%
📍 Flitwick, GB: #2 of 28 inventorsTop 8%
Overall (All Time): #1,048,589 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6122796 Suction cleaning apparatus John Ord, Thomas Jankevics, Goran Sjoberg 2000-09-26
6058903 Engine enclosure 2000-05-09
5991971 Suction cleaner 1999-11-30
5345650 Vacuum cleaners Andrew G. Hoyte 1994-09-13
4694671 Press incorporating saftey system 1987-09-22