DJ

David B. Johnson

BI Bliss & Laughlin Industries: 1 patents #1 of 7Top 15%
📍 Knoxville, TN: #7 of 57 inventorsTop 15%
🗺 Tennessee: #86 of 493 inventorsTop 20%
Overall (1982): #70,554 of 81,411Top 90%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4348970 Self-oiling portable bag-closing sewing machine Robert J. Robinson, Verdell H. Schroeder 1982-09-14