Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Patrick J. Drummond — 5 Patents

ATAT&T: 5 patents #3,621 of 18,772Top 20%
Hamburg, PA: #10 of 57 inventorsTop 20%
Pennsylvania: #16,056 of 74,527 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Patrick J. Drummond has been granted 5 US patents while listed as an inventor at AT&T. The first was granted in 1999 and the most recent in June 2001. Patrick J. Drummond ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Patrick J. Drummond in Hamburg, PA, US.

Patents per Year

Patents granted per year, 1999 to 2001Bar chart with a peak of 3 patents in 2000.peak 31999: 1 patents19992000: 3 patents20002001: 1 patents2001

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6248201 Apparatus and method for chip processing John Boyd, Jonathan V. Haggar, John S. Rizzo 2001-06-19 $23,481,000
6158944 Automated laser bar transfer apparatus and method John Boyd, Raymond Frank Gruszka, John S. Rizzo, Ping-Han WU, David J. Zangari 2000-12-12 $44,968,000
6058676 Lid guide for electronic devices Bruce C. Abraham, James F. Dormer, Daniel Kern 2000-05-09 $71,980,000
6043443 Fabrication of semiconductor devices Patrick J. Doran, James F. Dormer, Daniel Kern 2000-03-28 $96,697,000
5907246 Testing of semiconductor chips Bruce C. Abraham 1999-05-25 $69,926,000