Marshall F. Parsons

📍 Washington, DC: #1,086 of 3,063 inventorsTop 40%

🗺 District of Columbia: #1,086 of 3,063 inventorsTop 40%

Overall (All Time): #2,267,399 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5595482	Airlocking system and method for feeding bulk granular material	—	1997-01-21
RE30469	Preheater for lime kiln	—	1981-01-06