Daniel J. Weaver

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San Jose, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Portable data-gathering apparatus formed by modular components havi...
- Patent number 4,143,417
- Issue date Mar 6, 1979
- The Singer Company
- Gerald R. Wald
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Efficient bidirectional power converter for portable data gathering...
- Patent number 4,107,596
- Issue date Aug 15, 1978
- The Singer Company
- Daniel J. Weaver
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data-gathering device for scanning data having a variable amplitude...
- Patent number 4,101,072
- Issue date Jul 18, 1978
- The Singer Company
- Daniel J. Weaver
- G06 - COMPUTING CALCULATING COUNTING