DH

Duane H. Houy

PE Publishers Equipment: 3 patents #2 of 4Top 50%
📍 Dallas, TX: #2,336 of 7,543 inventorsTop 35%
🗺 Texas: #40,946 of 125,132 inventorsTop 35%
Overall (All Time): #1,663,439 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
RE33522 Conversion of letterpress to offset printing Carl J. Hermach 1991-01-22
4798137 Conversion of letterpress to offset printing Carl J. Hermach 1989-01-17
4768436 Conversion of letterpress to offset printing Carl J. Hermach 1988-09-06