David William Parker

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Patents Grantslast 30 patents

Information Patent Grant
Acoustic surface wave devices
- Patent number 4,023,124
- Issue date May 10, 1977
- U.S. Philips Corporation
- David William Parker
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Acoustic surface-wave devices
- Patent number 3,968,461
- Issue date Jul 6, 1976
- U.S. Philips Corporation
- Richard Frank Mitchell
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Acoustic surface-wave devices
- Patent number 3,968,460
- Issue date Jul 6, 1976
- U.S. Philips Corporation
- Kenneth William Moulding
- H03 - BASIC ELECTRONIC CIRCUITRY