WD

Willard A. Denham

SP Speakman: 12 patents #2 of 33Top 7%
Overall (All Time): #427,591 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6378790 Shower head having a rubber/plastic face plate and a diverter valve using rubber sleeve back pressure activation Graham H. Paterson 2002-04-30
D456493 Multiple showerhead manifold Graham H. Paterson 2002-04-30
D431285 Automatic faucet with mated housing Graham H. Paterson, Emil Vulcu 2000-09-26
6082407 Automatic faucet assembly with mating housing and high endurance finish Graham H. Paterson 2000-07-04
6029293 Sensor assembly having flexibly mounted fiber optic proximity sensor Graham H. Paterson 2000-02-29
5943713 Sensor assembly having flexibly mounted sensor and adjustable mounting means Graham H. Paterson 1999-08-31
5918811 Showerhead with variable spray patterns and internal shutoff valve Christopher G. Miedzius 1999-07-06
5893387 Gasketing and bleed means for an electrically controlled faucet assembly Graham H. Paterson 1999-04-13
5771923 Gasketing and bleed means for an electrically controlled faucet assembly Graham H. Paterson 1998-06-30
D381396 Push button faucet Graham H. Paterson 1997-07-22
5535781 Push button flush activation system for urinal Graham H. Paterson 1996-07-16
4651770 Ceramic disc faucet valve Carmen J. Lagarelli, Rodolfo J. Viegener 1987-03-24