Darrel R. Beck

📍 Duncan, OK: #11 of 41 inventorsTop 30%

🗺 Oklahoma: #101 of 552 inventorsTop 20%

Overall (1982): #71,154 of 81,411Top 90%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4355307	Safety stress shutdown switch	—	1982-10-19