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

Mark D. Nachbor — 4 Patents

3M: 4 patents #3,453 of 11,543Top 30%
Plymouth, MN: #525 of 1,545 inventorsTop 35%
Minnesota: #16,016 of 52,454 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Mark D. Nachbor has been granted 4 US patents while listed as an inventor at 3M. The first was granted in 2001 and the most recent in August 2004. Mark D. Nachbor ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Mark D. Nachbor in Plymouth, MN, US.

Patents per Year

Patents granted per year, 2001 to 2004Bar chart with a peak of 1 patents in 2001.peak 12001: 1 patents20012002: 1 patents20022003: 1 patents20032004: 1 patents2004

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6780519 Flame-treating process Mark A. Strobel, Christopher S. Lyons, Donald J. McClure, John R. Park 2004-08-24 $16,815,000
6656571 Cube corner cavity based retroreflectors and methods for making same Gerald M. Benson, Kenneth L. Smith, James C. Coderre, Paul E. Humpal 2003-12-02 $17,705,000
6357880 Display apparatus with corrosion-resistant light directing film Kenneth A. Epstein, Robert J. Fleming, Timothy J. Gardner, Christopher S. Lyons, Stephen P. Maki 2002-03-19 $16,195,000
6264336 Display apparatus with corrosion-resistant light directing film Kenneth A. Epstein, Robert J. Fleming, Timothy J. Gardner, Christopher S. Lyons, Stephen P. Maki 2001-07-24 $26,325,000