Donald F. Speirs

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San Juan, NM, US

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Patents Grantslast 30 patents

Information Patent Grant
Integrated multi-meter and wireless communication link
- Patent number 6,078,251
- Issue date Jun 20, 2000
- Intermec IP Corporation
- Jeremy A. Landt
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Integrated electronic tag reader and wireless communication link
- Patent number 5,850,187
- Issue date Dec 15, 1998
- Amtech Corporation
- Curt L. Carrender
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System for preventing reading of undesired RF signals
- Patent number 5,504,485
- Issue date Apr 2, 1996
- Amtech Corporation
- Jeremy A. Landt
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
High speed system for reading and writing data from and into remote...
- Patent number 5,055,659
- Issue date Oct 8, 1991
- Amtech Technology Corp.
- Peter L. Hendrick
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Rapid signal validity checking apparatus
- Patent number 4,864,158
- Issue date Sep 5, 1989
- Amtech Corporation
- Alfred R. Koelle
- G06 - COMPUTING CALCULATING COUNTING