David R. Wingard Jr.

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Decatur, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Agricultural dryer with mixed-flow fan
- Patent number 10,670,338
- Issue date Jun 2, 2020
- The GSI Group LLC
- David R. Wingard
- F26 - DRYING

Patents Applicationslast 30 patents

Information Patent Application
GRAIN DRYER WITH BYPASS AIR CONTROL
- Publication number 20230095999
- Publication date Mar 30, 2023
- THE GSI GROUP, LLC
- David R. Wingard
- F26 - DRYING
Information Patent Application
GRAIN DRYER WITH BYPASS AIR CONTROL
- Publication number 20230098343
- Publication date Mar 30, 2023
- THE GSI GROUP, LLC
- David R. Wingard
- F26 - DRYING
Information Patent Application
AGRICULTURAL DRYER WITH MIXED-FLOW FAN
- Publication number 20190107326
- Publication date Apr 11, 2019
- The GSI Group LLC
- David R. Wingard
- F26 - DRYING