Patents
.us
Search
Marketplace
Patent My Idea
Patents
/
Inventors
Jeffrey L Royer
Neola, IA
US
3 patents
4 Patents
US12376509
2025
Rolling Soil Probe
0 cites
US12352669
2025
Soil Probe Assembly Having a Multifaceted Probe Wheel
0 cites
US11921016
2024
Soil Probe Assembly Having a Multifaceted Probe Wheel
0 cites
US11832540
2023
Rolling Soil Probe
0 cites