GG

Gerald S. Gelfeld

📍 Rockville, MD: #11 of 90 inventorsTop 15%
🗺 Maryland: #310 of 1,619 inventorsTop 20%
Overall (1994): #164,005 of 165,921Top 100%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5327931 Flush valve leakage prevention and detection device Galen E. Royalty 1994-07-12