Tony Walter has been granted 8 US patents while listed as an inventor at Applied Tool Development . The first was granted in 1999 and the most recent in November 2006. Tony Walter ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Tony Walter in Cary, IL, US.
Patents per Year Patents granted per year, 1999 to 2006 Bar chart with a peak of 2 patents in 2001. peak 2 1999: 1 patents 1999 2000: 1 patents 2000 2001: 2 patents 2001 2003: 1 patents 2003 2004: 1 patents 2004 2005: 1 patents 2005 2006: 1 patents 2006
Issued Patents All Time
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Showing 1–8 of 8 patents
Patent # Title Co-Inventors Date
7142744 Wavelength power equalization by attenuation in an optical switch Dan Blumenthal , John E. Bowers , Peter Hunt , Roger Helkey , Xuezhe Zheng 2006-11-28
6950215 Method and apparatus for monitoring optical switches Walt Joseph Fant , Roger Helkey , Peter Hunt , David E. Welsh 2005-09-27
6697547 Wavelength power equalization by attenuation in an optical switch Dan Blumenthal , John E. Bowers , Peter Hunt , Roger Helkey , Xuezhe Zheng 2004-02-24
6668108 Optical cross-connect switch with integrated optical signal tap Roger Helkey , John E. Bowers , Kevin S. Yamada , David E. Welsh 2003-12-23
6318615 Internal combustion powered tool — 2001-11-20
6311887 Internal combustion powered tool — 2001-11-06
6123241 Internal combustion powered tool J. Oscar Aparicio, Jr. 2000-09-26
5873508 Internal combustion powered tool Robert T. MacVicar , J. Oscar Aparicio, Jr. , John Walter , Anton J. Walter 1999-02-23