Howard V. Block

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Johnston, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of making a cold cured composite molded article
- Patent number 6,582,635
- Issue date Jun 24, 2003
- Welch Products, Inc.
- Howard V. Block
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Breath analyzer for use in automobile ignition locking systems
- Patent number 5,426,415
- Issue date Jun 20, 1995
- Consumer Safety Technology
- Timothy J. Prachar
- B60 - VEHICLES IN GENERAL