DM

David J. MacKenzie

CL Crosfield Electronics Limited: 1 patents #33 of 96Top 35%
JD John Deere: 1 patents #2,957 of 5,518Top 55%
Overall (All Time): #2,340,027 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4794382 Image retouching Ching-Te Lai 1988-12-27
4572346 Power press ram safety guard with electrical interlock William R. Chestnut, Clive L. Parcell, Christopher J. Cox 1986-02-25