HS

Harold W. Irwin, Sr.

📍 Streamwood, IL: #88 of 255 inventorsTop 35%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,187,300 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6689989 Heater for electric blanket Kin Sang Cheng, John H. Crawford 2004-02-10
5001779 Mounting arrangement for motorcycle stereo system Earl W. Eggert, William T. Dooley 1991-03-19