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Lee D. Wallis — 8 Patents

SDSquare D: 8 patents #39 of 756Top 6%
Murfreesboro, TN: #39 of 388 inventorsTop 15%
Tennessee: #2,376 of 20,272 inventorsTop 15%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Lee D. Wallis has been granted 8 US patents while listed as an inventor at Square D. The first was granted in 1993 and the most recent in April 2011. Lee D. Wallis ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Lee D. Wallis in Murfreesboro, TN, US.

Patents per Year

Patents granted per year, 1993 to 2011Bar chart with a peak of 3 patents in 1993.peak 31993: 3 patents19931995: 1 patents19951996: 1 patents19961997: 1 patents19971998: 1 patents19982011: 1 patents2011

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
7928722 Apparatus and method for voltage sensing in electrical metering systems — 2011-04-19
5831428 Metering unit with integrated user programmable logic Michael Pyle, David Charles Carlson, Donald T. McComas 1998-11-03
5629825 Apparatus and method for detecting a fault in a distributed line network Robert A. Kennedy 1997-05-13
5495384 Apparatus and method for detecting a fault in a distributed line network Robert A. Kennedy 1996-02-27
5467286 Metering unit with downloadable firmware Michael Pyle 1995-11-14
5247454 Reconfigurable circuit monitoring system Ronald L. Farrington 1993-09-21
5233538 Waveform capturing arrangement in a distributed power network — 1993-08-03
5224054 Waveform capturing arrangement in distributed power network — 1993-06-29

Frequent Collaborators

Robert A. Kennedy2 shared
Michael Pyle2 shared
David Charles Carlson1 shared
Donald T. McComas1 shared
Ronald L. Farrington1 shared

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