Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/1348
| Title: | Infill for bollard footing hole | Authors: | Siu, KWM | Issue Date: | 18-Nov-2008 | Source: | US Patent 7,452,158 B1. Washington, DC: US Patent and Trademark Office, 2008. | Abstract: | The invention relates to an infill which can be inserted into a bollard footing hole. The infill is designed such that it allows a bollard to be fit over it, and the infill fits within a footing hole. Methods of covering a footing hole are also bought. | Keywords: | Bollard Infill Footing hole |
Rights: | Assignee: The Hong Kong Polytechnic University. |
| Appears in Collections: | Patent |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| us7452158b1.pdf | 243.94 kB | Adobe PDF | View/Open |
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