Donald F. Nelson

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Calgary, Alberta, CA

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Patents Grantslast 30 patents

Information Patent Grant
Sensing device
- Patent number 5,784,794
- Issue date Jul 28, 1998
- Donald Fredrick Nelson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Sensing device
- Patent number 5,444,917
- Issue date Aug 29, 1995
- Donald F. Nelson
- G06 - COMPUTING CALCULATING COUNTING