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USPTO Patent Rankings Data through Dec 31, 2025
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Ellen L. Oschmann — 5 Patents

SPSpectrix: 4 patents #1 of 10Top 10%
3C3Com: 1 patents #731 of 1,250Top 60%
Winnetka, IL: #45 of 229 inventorsTop 20%
Illinois: #18,025 of 84,256 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Ellen L. Oschmann has been granted 5 US patents while listed as an inventor at Spectrix. The first was granted in 1996 and the most recent in October 2009. Ellen L. Oschmann ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Ellen L. Oschmann in Winnetka, IL, US.

Patents per Year

Patents granted per year, 1996 to 2009Bar chart with a peak of 2 patents in 1998.peak 21996: 1 patents19961998: 2 patents19981999: 1 patents19992009: 1 patents2009

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7603486 Network management system providing logic signals over communication lines for detecting peripheral devices Linh M. LE, Dwight D. Dipert 2009-10-13 $13,079,000
5903373 Method and apparatus for locating a transmitter of a diffuse infrared signal within an enclosed area Jeffrey P. Welch 1999-05-11 $957,000
5838472 Method and apparatus for locating a transmitter of a diffuse infrared signal within an enclosed area Jeffrey P. Welch 1998-11-17 $523,000
5724168 Wireless diffuse infrared LAN system Jeffrey P. Welch 1998-03-03 $764,000
D368260 Wireless diffuse infrared LAN transceiver Jeffrey P. Welch 1996-03-26