Ronald P. Hickman

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Waltham Abbey, EN

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Patents Grantslast 30 patents

Information Patent Grant
Foldable ladder
- Patent number 4,016,954
- Issue date Apr 12, 1977
- Inventec International Limited
- Ronald Price Hickman
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Ladder
- Patent number 3,978,944
- Issue date Sep 7, 1976
- Inventec International Limited
- Ronald P. Hickman
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS