David K. Wiebe

LC Lafarge Canada: 1 patents #1 of 3Top 35%

📍 Calgary, CA: #23 of 156 inventorsTop 15%

Overall (1997): #160,763 of 185,788Top 90%

Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5656766	Underground drain tank	Donald G. Horn	1997-08-12