David C. Mulligan

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Blissfield, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of making a rotary molded plastic member with variable wall...
- Patent number 6,409,954
- Issue date Jun 25, 2002
- Roto Plastics, Inc.
- David C. Mulligan
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of making an automobile roof cap
- Patent number 4,891,085
- Issue date Jan 2, 1990
- Roto Plastics, Inc.
- David C. Mulligan
- B60 - VEHICLES IN GENERAL