Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Michael L. Teetzel — 4 Patents

3M: 4 patents #3,453 of 11,543Top 30%
Ham Lake, MN: #71 of 189 inventorsTop 40%
Minnesota: #16,016 of 52,454 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Michael L. Teetzel has been granted 4 US patents while listed as an inventor at 3M. The first was granted in 1981 and the most recent in November 2007. Michael L. Teetzel ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Michael L. Teetzel in Ham Lake, MN, US.

Patents per Year

Patents granted per year, 1981 to 2007Bar chart with a peak of 1 patents in 1981.peak 11981: 1 patents19812001: 1 patents20012004: 1 patents20042007: 1 patents2007

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7294667 Coated abrasive articles containing graphite 2007-11-13 $12,289,000
6672952 Tearable abrasive article Craig A. Masmar, Jeffrey S. Peterson 2004-01-06 $26,856,000
6239049 Aminoplast resin/thermoplastic polyamide presize coatings for abrasive article backings Robert A. Follensbee, Robert J. DeVoe, Gregg D. Dahlke 2001-05-29 $25,266,000
4275529 High flap density abrasive flap wheel Ralph E. James 1981-06-30 $14,415,000