Earl Clark, Jr.

📍 Bartlesville, OK: #24 of 142 inventorsTop 20%

🗺 Oklahoma: #42 of 552 inventorsTop 8%

Overall (1982): #14,818 of 81,411Top 20%

Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4353683	Stirling cycle engine and fluid pump	—	1982-10-12
4312181	Heat engine with variable volume displacement means	—	1982-01-26