Michael K. Slack

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Owen Sound, CA

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Patents Grantslast 30 patents

Information Patent Grant
Computer system for monitoring events and which is capable of autom...
- Patent number 5,444,642
- Issue date Aug 22, 1995
- General Signal Corporation
- Peter Montgomery
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Communication system capable of broadcast messaging and transponder...
- Patent number 5,194,846
- Issue date Mar 16, 1993
- General Signal Corporation
- Tim Lee
- G08 - SIGNALLING
Information Patent Grant
Electrical synthesis of mechanical bell
- Patent number 4,401,975
- Issue date Aug 30, 1983
- General Signal Corporation
- Harry D. Ferguson
- G08 - SIGNALLING