Frederick A. Ferguson

📍 Yelm, WA: #9 of 29 inventorsTop 35%

🗺 Washington: #35,300 of 76,902 inventorsTop 50%

Overall (All Time): #2,374,090 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4226668	Spray drying apparatus utilizing pulse jet engines	—	1980-10-07
4226670	Material injection nozzle for pulse jet drying systems	Rodney D. Payne	1980-10-07