DH

D. Grant Henderson

📍 Winnipeg, CA: #791 of 1,797 inventorsTop 45%
Overall (All Time): #3,934,961 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4856123 Toilet apparatus for use by bed ridden patients Grenville K. Yuill, David Kroeker 1989-08-15