Ronald R. Liedtke

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Addison, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Toy motorcycle
- Patent number D276060
- Issue date Oct 23, 1984
- Kidco, Inc.
- Marvin Smollar
- D21 - Games, toys, and sports goods
Information Patent Grant
Toy motorcycle
- Patent number D276059
- Issue date Oct 23, 1984
- Kidco, Inc.
- Marvin Smollar
- D21 - Games, toys, and sports goods
Information Patent Grant
Self-contained and self-propelled toy vehicle
- Patent number 4,463,515
- Issue date Aug 7, 1984
- Gordon Barlow Design
- Gordon A. Barlow
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Toy vehicle
- Patent number 4,411,098
- Issue date Oct 25, 1983
- Birdsall; John D.
- John D. Birdsall
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Action toy requiring space perception and eye/hand coordination
- Patent number 4,323,238
- Issue date Apr 6, 1982
- Jernstrom Design Workshop, Inc.
- Hans E. I. Jernstrom
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Hair styling appliance including improved bayonet fasteners for ass...
- Patent number 4,192,325
- Issue date Mar 11, 1980
- Schick Incorporated
- Ronald R. Liedtke
- A45 - HAND OR TRAVELLING ARTICLES