Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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William E. Dugan — 1 Patent

MIMiraco: 1 patents #4 of 11Top 40%
Washington, PA: #321 of 552 inventorsTop 60%
Pennsylvania: #43,533 of 74,527 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
William E. Dugan has been granted 1 US patent while listed as an inventor at Miraco. All of these patents were granted in 1986. William E. Dugan ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list William E. Dugan in Washington, PA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4579891 Feldspar containing protective composition Charles T. Roland, Sr. 1986-04-01