David R. Frerking

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Des Moines, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Dispensing machine having horizontal product carrier movable throug...
- Patent number 4,942,290
- Issue date Jul 17, 1990
- Fawn Engineering Corp.
- David R. Frerking
- G07 - CHECKING-DEVICES
Information Patent Grant
Vending machine cabinet
- Patent number D302281
- Issue date Jul 18, 1989
- Fawn Engineering Corp.
- Henry J. Albright
- D20 - Sales and advertising equipment
Information Patent Grant
Table or like vending machine with customer operated anti-theft pro...
- Patent number 4,744,490
- Issue date May 17, 1988
- Fawn Engineering Corp.
- Henry J. Albright
- G07 - CHECKING-DEVICES