Dan M. Percival

Follow

Person

Maple Valley, WA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Voice/data switch
- Patent number 4,821,312
- Issue date Apr 11, 1989
- Rainier Technologies Corporation
- Stephen W. Horton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Premises page/intercom system utilizing telephone set component
- Patent number 4,754,476
- Issue date Jun 28, 1988
- Harry R. Rasmussen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone set line status display
- Patent number 4,653,094
- Issue date Mar 24, 1987
- Harry R. Rasmussen
- G02 - OPTICS