David P. Welden

📍 Iowa Falls, IA: #1 of 5 inventorsTop 20%

🗺 Iowa: #47 of 364 inventorsTop 15%

Overall (1982): #69,819 of 81,411Top 90%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4354481	Heating apparatus	—	1982-10-19