Jeffrey L. Royer

📍 Neola, IA: #2 of 9 inventorsTop 25%

🗺 Iowa: #3,757 of 15,303 inventorsTop 25%

Overall (All Time): #1,088,592 of 4,157,543Top 30%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
12376509	Rolling soil probe	—	2025-08-05
12352669	Soil probe assembly having a multifaceted probe wheel	—	2025-07-08
11921016	Soil probe assembly having a multifaceted probe wheel	—	2024-03-05
11832540	Rolling soil probe	—	2023-12-05