DA

David R. Allum

CP Canada Post: 1 patents #13 of 40Top 35%
Overall (All Time): #3,771,977 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5420403 Mail encoding and processing system Frederick S. Johns, Donald G. Clysdale 1995-05-30