WH

William D. Harding

HI Hallmark Cards, Incorporated: 2 patents #69 of 288Top 25%
📍 Markham, CA: #489 of 1,673 inventorsTop 30%
Overall (All Time): #1,633,704 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5958470 Vacuum forming apparatus for forming a three-dimensional surface article Glenn T. Harding, William Liddle 1999-09-28
5904962 Raised mounting system for artistic work Glenn T. Harding, William Liddle 1999-05-18
5667747 Vacuum formed three-dimensional surface article Glenn T. Harding, William Liddle 1997-09-16