John A. McElwain

📍 Palma, ES: #30 of 88 inventorsTop 35%

Overall (All Time): #2,345,206 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4702227	Solar energy collector and system	—	1987-10-27
4350200	Solar energy collector and system	—	1982-09-21