Michael T. Doyle

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Columbia, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Coin box insert for bulk vending machines
- Patent number 5,467,858
- Issue date Nov 21, 1995
- Parkway Machine Corporation
- Steven A. Kovens
- G07 - CHECKING-DEVICES
Information Patent Grant
Coin box insert for a bulk vending machine
- Patent number D358613
- Issue date May 23, 1995
- Parkway Machine Corp.
- Steven A. Kovens
- D20 - Sales and advertising equipment