DP

David Hillary Powell

AL Aqualisa Products Limited: 7 patents #2 of 17Top 15%
BT British American Tobacco: 7 patents #22 of 318Top 7%
NL Nicoventures Trading Limited: 6 patents #75 of 303Top 25%
NL Nicoventures Holdings Limited: 5 patents #14 of 58Top 25%
Casio Computer Co.: 5 patents #505 of 1,970Top 30%
AT Axis Spine Technologies: 4 patents #4 of 11Top 40%
DU Duracell: 3 patents #52 of 239Top 25%
TL Technophone Limited: 2 patents #4 of 31Top 15%
EI Electric Power Research Institute: 2 patents #195 of 1,201Top 20%
MC Minolta Co.: 2 patents #718 of 1,416Top 55%
Oracle: 1 patents #8,282 of 14,854Top 60%
LB Lever Brothers: 1 patents #333 of 819Top 45%
LL Lrc Products Limited: 1 patents #23 of 53Top 45%
ML Mars Uk Limited: 1 patents #14 of 46Top 35%
RA Racal Acoustics: 1 patents #5 of 12Top 45%
XC Xtera Communications: 1 patents #28 of 57Top 50%
Overall (All Time): #40,026 of 4,157,543Top 1%
59
Patents All Time

Issued Patents All Time

Showing 51–59 of 59 patents

Patent #TitleCo-InventorsDate
5152172 Operating turbine resonant blade monitor Robert L. Leon 1992-10-06
D321183 Portable handset telephone Richard Seymour 1991-10-29
D319061 Charger stand for a portable handset telephone and its spare battery pack Richard Seymour 1991-08-13
4996880 Operating turbine resonant blade monitor Robert L. Leon 1991-03-05
D303083 Bottle Richard Seymour 1989-08-29
D299173 Flashlight David Edward Maddison, Richard Seymour, Veronica G. Steel 1988-12-27
D296478 Flashlight David Edward Maddison, Richard Seymour, Veronica G. Steel 1988-06-28
D296477 Flashlight David Edward Maddison, Richard Seymour, Veronica G. Steel 1988-06-28
D286877 Combination telephone handset and connector 1986-11-25