Elmer J. Cerny

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Des Plaines, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Battery holder
- Patent number 4,860,890
- Issue date Aug 29, 1989
- Beltone Electronics Corporation
- Elmer J. Cerny
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Hearing aid nubbin and acoustic damper
- Patent number 4,498,555
- Issue date Feb 12, 1985
- Beltone Electronics Corporation
- Elmer J. Cerny
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hearing aid battery holder
- Patent number 4,153,758
- Issue date May 8, 1979
- Beltone Electronics Corporation
- Elmer J. Cerny
- H04 - ELECTRIC COMMUNICATION TECHNIQUE