FJ

Frank K. Johnson

📍 Boston, MA: #2,667 of 5,993 inventorsTop 45%
🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%
Overall (All Time): #2,010,253 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9388561 Modular construction mold apparatus and method for constructing concrete buildings and structures Minhaj Kirmani 2016-07-12
5860262 Permanent panelized mold apparatus and method for casting monolithic concrete structures in situ 1999-01-19