TU

Tad D. Upah

RI Ritchie Industries: 1 patents #4 of 11Top 40%
📍 Marshalltown, IA: #77 of 271 inventorsTop 30%
🗺 Iowa: #3,091 of 15,303 inventorsTop 25%
Overall (All Time): #946,200 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11716968 Waterer valve system Eric David Sieverding, Robert John Amundson 2023-08-08
7721643 Automatic popcorn vending machine Thomas G. Berger, Duane Bulanek, Bruce C. Nemec, Jason Rohr, Ryan Crist +2 more 2010-05-25
7520456 Apparatus for making, storing and dispensing shaved or crushed ice Thomas Swegle, David Swegle, Duane Bulanek, Kevin Kinch, Craig Jensen 2009-04-21
D528854 Apparatus for making, storing and dispensing shaved or crushed ice Kevin Kinch 2006-09-26
D528356 Apparatus for making, storing and dispensing shaved or crushed ice Kevin Kinch 2006-09-19