William J. Spengler

TO Tolco: 1 patents #5 of 8Top 65%

📍 Toledo, OH: #791 of 1,470 inventorsTop 55%

🗺 Ohio: #42,657 of 73,341 inventorsTop 60%

Overall (All Time): #3,593,314 of 4,157,543Top 90%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D447415	Trigger sprayer	—	2001-09-04