Joseph D. Kehl

Follow

Person

Chicago, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Tonearm alignment gauge
- Patent number 4,490,816
- Issue date Dec 25, 1984
- Shure Brothers, Inc.
- Joseph D. Kehl
- G11 - INFORMATION STORAGE
Information Patent Grant
Stylus protection mechanism
- Patent number 4,441,177
- Issue date Apr 3, 1984
- Shure Brothers, Inc.
- Allen R. Groh
- G11 - INFORMATION STORAGE
Information Patent Grant
Lever operated stylus guard for phonograph pick-up cartridge
- Patent number 4,270,758
- Issue date Jun 2, 1981
- Shure Brothers, Inc.
- Joseph D. Kehl
- G11 - INFORMATION STORAGE