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For the Inventor, By the Inventor

Greenville, DE, United States of America

Willard A Denham

USPTO Granted Patents = 12

Average Co-Inventor Count = 2.1

ph-index = 10

Forward Citations = 571(Granted Patents)


Location History:

  • Wilmington, DE (US) (1987 - 1999)
  • Greenville, DE (US) (1999 - 2002)

Company Filing History:

goldMedal12 out of 48 
 
Speakman Company
 patents

Years Active: 1987-2002

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12 patents (USPTO):Explore Patents
1. D456493 - Multiple showerhead manifold (2002-05-01),
2. 6378790 - Shower head having a rubber/plastic face plate and a diverter valve using rubber sleeve back pressure activation (2002-04-30),
3. D431285 - Automatic faucet with mated housing (2000-09-26),
4. 6082407 - Automatic faucet assembly with mating housing and high endurance finish (2000-07-04),
5. 6029293 - Sensor assembly having flexibly mounted fiber optic proximity sensor (2000-02-29),
6. 5943713 - Sensor assembly having flexibly mounted sensor and adjustable mounting (1999-08-31),
7. 5918811 - Showerhead with variable spray patterns and internal shutoff valve (1999-07-06),
8. 5893387 - Gasketing and bleed means for an electrically controlled faucet assembly (1999-04-13),
9. 5771923 - Gasketing and bleed means for an electrically controlled faucet assembly (1998-06-30),
10. D381396 - Push button faucet (1997-07-22),
11. 5535781 - Push button flush activation system for urinal (1996-07-16),
12. 4651770 - Ceramic disc faucet valve (1987-03-24),
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