BH

by Rebecca J. Nagy, heir

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Plymouth, MI: #618 of 1,052 inventorsTop 60%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #4,109,049 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4195618 Fireplace venting system John Kellogg 1980-04-01