Delmer L. Hybertson

📍 Centerville, SD: #2 of 5 inventorsTop 40%

🗺 South Dakota: #678 of 2,308 inventorsTop 30%

Overall (All Time): #2,303,782 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5236277	Sidewalk grooving tool	—	1993-08-17
4921372	Sidewalk scribing tool	—	1990-05-01