JW

John C. Winters

3M: 2 patents #5,326 of 11,543Top 50%
📍 Windom, MN: #1,276 of 2,819 inventorsTop 50%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,271,692 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5647881 Shock resistant high efficiency vacuum cleaner filter bag Zhiqun Zhang 1997-07-15
4917942 Nonwoven filter material — 1990-04-17