Jerry E. Johnson

Follow

Person

Bellevue, WA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Housing for remote environmental monitor system
- Patent number 4,996,909
- Issue date Mar 5, 1991
- John P. Vache
- G01 - MEASURING TESTING
Information Patent Grant
Remote environmental monitor system
- Patent number 4,816,822
- Issue date Mar 28, 1989
- Ryan Instruments, Inc.
- John P. Vache
- G01 - MEASURING TESTING
Information Patent Grant
Portable compact strip chart recorder with lost-motion protective c...
- Patent number 4,199,768
- Issue date Apr 22, 1980
- Ryan Instruments, Inc.
- Jerry E. Johnson
- G01 - MEASURING TESTING
Information Patent Grant
Portable compact strip chart recorder
- Patent number 4,141,019
- Issue date Feb 20, 1979
- Ryan Instruments, Inc.
- Jerry E. Johnson
- G01 - MEASURING TESTING