HC

Heyward G. Christmas

AR Atlantic Richfield: 1 patents #468 of 1,061Top 45%
📍 Bellingham, WA: #297 of 582 inventorsTop 55%
🗺 Washington: #48,111 of 76,902 inventorsTop 65%
Overall (All Time): #3,952,846 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4747913 Cooling apparatus for granular coke material Ralph Gerstenkorn, Dale D. Erickson, Ronald E. Kelley, Charles A. Taul 1988-05-31