| Search Again | Story County, Iowa Inventory Patents |
Story Co. Home Page |
| Name | Patent Title | Patent Number |
City | Year |
|---|---|---|---|---|
| David GREWELL | Apparatus and method for ultrasonic processing of laminates | 07892372 | Ames | 2011 |
| David GREWELL | Apparatus and method for ultrasonic processing of laminates | 08172969 | Ames | 2012 |
| David GREWELL | Depolymerization of polylactic acid | 08895778 | Ames | 2014 |
| David GREWELL | Biodegradable fertilizer | 09988318 | Ames | 2018 |
| David GREWELL | Closed loop 3D printing | 10442118 | Ames | 2019 |
| David GREWELL | Plastic composition with spent filter media filler | 11359069 | Ames | 2022 |
| David GREWELL | Thermoplastic poly acrylated glycerol adhesives useful in cellulosic products | 11214714 | Ames | 2022 |
| Mackenzie GREWELL | Terminal end mounted prosthetic device | 08840157 | Ames | 2014 |
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