Donald L. Porter

📍 Greenville, SC: #732 of 1,770 inventorsTop 45%

🗺 South Carolina: #5,775 of 15,501 inventorsTop 40%

Overall (All Time): #2,291,962 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
D343907	Ladder secure	—	1994-02-01
4850513	Control system and method for high production plaster pump	—	1989-07-25