Inventor

CRESSEY JOHN R

US3 patents

⚠️ This page may combine multiple inventors who share the name “CRESSEY JOHN R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CASE COMMUNICATIONS INC

1 patent

US4573175AFeb 25, 1986

Variable digital frequency generator with value storage

CASE COMMUNICATIONS INC10 citations70

HAYES MICROCOMPUTER PROD

1 patent

US4686490AAug 11, 1987

Digital data modulator and digital-to-analog converter

HAYES MICROCOMPUTER PROD17 citations68

RIXON

1 patent

US4555667ANov 26, 1985

Synchronous digital QPSK demodulator with carrier error correction

RIXON14 citations64