Hubert G. Dukowski

📍 Burns Lake, CA: #233 of 1,404 inventorsTop 20%

Overall (All Time): #2,359,997 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4478216	Portable air filtration device	—	1984-10-23
D271338	Portable air filtration unit	—	1983-11-08