Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JL

Jack Litewka — 5 Patents

Microsoft: 3 patents #13,486 of 40,388Top 35%
Seattle, WA: #5,850 of 21,776 inventorsTop 30%
Washington: #19,692 of 76,902 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Jack Litewka has been granted 5 US patents while listed as an inventor at Microsoft. The first was granted in 1992 and the most recent in December 2013. Jack Litewka ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Jack Litewka in Seattle, WA, US.

Patents per Year

Patents granted per year, 1992 to 2013Bar chart with a peak of 2 patents in 1992.peak 21992: 2 patents19922003: 1 patents20032008: 1 patents20082013: 1 patents2013

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8607135 Radio station buttons Tom A. Sponheim, Bella Acharya, Jamie A. Spooner, William A. Spencer, Stephen H. Buroker 2013-12-10 $31,292,000
7356765 Radio station buttons Tom A. Sponheim, Bella Acharya, Jamie A. Spooner, William A. Spencer, Stephen H. Buroker 2008-04-08 $46,561,000
6639610 Method and apparatus for assigning URLs to graphical objects in a web page Tom A. Sponheim, Bella Acharya, Jamie A. Spooner, William A. Spencer, Stephen H. Buroker 2003-10-28 $119,194,000
D329770 Armrest for a chair Fredrich W. Grahl 1992-09-29
D324616 Chair base Fredrich W. Grahl 1992-03-17