Michael Schwarzberger

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Chicago, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Vending machine for returnable cartridges
- Patent number 4,789,054
- Issue date Dec 6, 1988
- ABM Industries, Inc.
- Barry Shore
- G07 - CHECKING-DEVICES
Information Patent Grant
Apparatus and method for vending and accepting return of re-usable...
- Patent number 4,598,810
- Issue date Jul 8, 1986
- ABM Industries, Inc.
- Barry Shore
- G06 - COMPUTING CALCULATING COUNTING