DB

Duane Bulanek

📍 Marshalltown, IA: #132 of 271 inventorsTop 50%
🗺 Iowa: #6,094 of 15,303 inventorsTop 40%
Overall (All Time): #2,122,056 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7721643 Automatic popcorn vending machine Thomas G. Berger, Bruce C. Nemec, Jason Rohr, Tad D. Upah, Ryan Crist +2 more 2010-05-25
7520456 Apparatus for making, storing and dispensing shaved or crushed ice Thomas Swegle, David Swegle, Tad D. Upah, Kevin Kinch, Craig Jensen 2009-04-21