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John Spielman

PG Procter & Gamble: 2 patents #5 of 70Top 8%
📍 Maplewood, MN: #253 of 510 inventorsTop 50%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,260,865 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5758926 Adjustable seating system David C. Wilkie, Wayne Rydberg, Bruce Tew, Rob Meyer 1998-06-02
5636900 Adjustable seating system David C. Wilkie, Wayne Rydberg, Bruce Tew, Rob Meyer 1997-06-10