DH

Donald W. Heidt

📍 Howe, TX: #19 of 59 inventorsTop 35%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,315,165 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5000682 Vertical thermal processor for semiconductor wafers Steve Thompson, Worm Lund, Raymon F. Thompson, Larry M. Beasley 1991-03-19
4738618 Vertical thermal processor Robert G. Massey, Billy B. Williams 1988-04-19