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

Maurice E. Freeman — 6 Patents

3M: 6 patents #2,542 of 11,543Top 25%
Windom, MN: #571 of 2,819 inventorsTop 25%
Minnesota: #11,902 of 52,454 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Maurice E. Freeman has been granted 6 US patents while listed as an inventor at 3M. The first was granted in 1987 and the most recent in December 1999. Maurice E. Freeman ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Maurice E. Freeman in Windom, MN, US.

Patents per Year

Patents granted per year, 1987 to 1999Bar chart with a peak of 3 patents in 1999.peak 31987: 1 patents19871993: 1 patents19931994: 1 patents19941999: 3 patents1999

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6004670 Multiple releasable contact responsive fasteners James J. Kobe, Bradley D. Zinke, Shih-Lai Lu, Jason A. Chesley, Eric V. Malmberg +1 more 1999-12-21 $17,670,000
5908695 Multiple releasable contact responsive fastener James J. Kobe, Bradley D. Zinke, Shih-Lai Lu, Robert G. Shaw 1999-06-01 $22,305,000
5888335 Multiple releasable contact responsive fasteners James J. Kobe, Bradley D. Zinke, Shih-Lai Lu 1999-03-30 $17,277,000
5316849 Reclosable mechanical fastener based on a composite article Shih-Lai Lu, James J. Kobe, John D. Moon, Forrest J. Rouser, Robert V. Heiti +1 more 1994-05-31 $8,026,000
5196266 Reclosable mechanical fastener based on a composite article Shih-Lai Lu, James J. Kobe, John D. Moon, Forrest J. Rouser, Robert V. Heiti +1 more 1993-03-23 $7,394,000
4710414 Fastener assembly with heat shrinkable film cover Walter E. Northrup 1987-12-01 $6,602,000