Alexander D. R. Walker

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Mount View, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
General purpose calculator having keys with more than one function...
- Patent number 3,955,074
- Issue date May 4, 1976
- Hewlett-Packard Company
- France Rode
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
General purpose calculator with capability for performing yield-to-...
- Patent number 3,946,218
- Issue date Mar 23, 1976
- Hewlett-Packard Company
- France Rode
- G06 - COMPUTING CALCULATING COUNTING