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Ronald E. Markfelder — 9 Patents

MOMolenaar: 7 patents #1 of 4Top 25%
Willmar, MN: #14 of 93 inventorsTop 20%
Minnesota: #8,400 of 52,454 inventorsTop 20%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Ronald E. Markfelder has been granted 9 US patents while listed as an inventor at Molenaar. The first was granted in 2003 and the most recent in January 2012. Ronald E. Markfelder ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Ronald E. Markfelder in Willmar, MN, US.

Patents per Year

Patents granted per year, 2003 to 2012Bar chart with a peak of 3 patents in 2007.peak 32003: 1 patents20032006: 1 patents20062007: 3 patents20072008: 2 patents20082009: 1 patents20092012: 1 patents2012

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
D652271 Pizza cutter James R. Moore 2012-01-17
D591517 Computer monitor mirror and note holder Steven L. Molenaar 2009-05-05
D577615 Measuring cup with thumb depression — 2008-09-30
D567512 Computer monitor mirror and note holder Steven L. Molenaar 2008-04-29
D556619 Whistle clicker design — 2007-12-04
D545979 Night light Steven L. Molenaar 2007-07-03
D544202 Pill box — 2007-06-12
D524461 Night light Steven L. Molenaar 2006-07-04
D483629 Weed shield — 2003-12-16

Frequent Collaborators

Steven L. Molenaar4 shared
James R. Moore1 shared

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Aaron D. Kovar9
Pradeepkumar Ashok9
Ok Chae Kim9