DD

Donald E. Drumm

WL Wang Laboratories: 8 patents #7 of 284Top 3%
BT Barrett Technology: 3 patents #6 of 30Top 20%
VE Vessel: 2 patents #3 of 6Top 50%
HL Helen Of Troy Limited: 1 patents #316 of 496Top 65%
VI Virtual I/O: 1 patents #3 of 10Top 30%
Overall (All Time): #308,974 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12350830 Multi-active-axis, non-exoskeletal rehabilitation device William T. Townsend, David Wilkinson, Alexander Jenko, Julian Leland, Arvind Ananthanarayanan +6 more 2025-07-08
11290043 High performance current sensing architecture for brushless motors Claude F. Valle, IV, Amy Blank, Brian Zenowich, Thomas Nadovich, Christopher Woodall +1 more 2022-03-29
10148155 Method and apparatus for connecting an ultracompact, high-performance motor controller to an ultracompact, high-performance brushless DC motor David Wilkinson, Peter A. Botticelli, Darren Landino, Brian Zenowich, William T. Townsend 2018-12-04
RE41628 Autoilluminating lamp system Stefane Barbeau, Duane Smith 2010-09-07
6819080 Autoilluminating lamp system Stefane Barbeau, Duane Smith 2004-11-16
6479965 Autoilluminating rechargeable lamp system Stefane Barbeau, Duane Smith 2002-11-12
5526022 Sourceless orientation sensor Michael Donahue, Mark Pesce, Marc Herwin De Groot, Michael Alan Perry 1996-06-11
5426450 Hands-free hardware keyboard 1995-06-20
5363120 Computer input device using orientation sensor 1994-11-08
5287119 Computer input device using an orientation sensor 1994-02-15
5142655 Computer input device using an orientation sensor 1992-08-25
5101081 Graphics surface assembly with calibrating memory device 1992-03-31
5068645 Computer input device using an orientation sensor 1991-11-26
4808980 Electronic light pointer for a projection monitor 1989-02-28
4573110 Control device 1986-02-25