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

Mary Schaffer — 2 Patents

IBM: 2 patents #32,909 of 70,183Top 50%
Hopewell Junction, NY: #363 of 648 inventorsTop 60%
New York: #49,169 of 115,490 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Mary Schaffer has been granted 2 US patents while listed as an inventor at IBM. The first was granted in 2004 and the most recent in November 2006. Mary Schaffer ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Mary Schaffer in Hopewell Junction, NY, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7138326 Wafer integrated rigid support ring Harry D. Cox, David Daniel, Leonard Gardecki, Albert Gregoritsch, Ruth Machell Julianelle +5 more 2006-11-21 $6,127,000
6706621 Wafer integrated rigid support ring Harry D. Cox, David Daniel, Leonard Gardecki, Albert Gregoritsch, Ruth Machell Julianelle +5 more 2004-03-16 $17,709,000