Donald D. Weyer

TC The Lucks Company: 1 patents #5 of 13Top 40%

📍 Sumner, WA: #58 of 119 inventorsTop 50%

🗺 Washington: #48,111 of 76,902 inventorsTop 65%

Overall (All Time): #3,762,954 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5385137	U-tube heat exchanger for bakery ovens	George M. Christensen	1995-01-31