Did You Know...
...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7175141 | Removable sign support system A removable sign support system for supporting a sign on the ground includes a substantially upright support post, configured to removably receive a sign post. The support post has a substantially horizontal base affixed to its bottom end, with a plurality of spikes... | 02/13/2007 |
| 6910664 | Removable sign support system A removable sign support system for supporting a sign on the ground includes a substantially upright support post, configured to removably receive a sign post. The support post has a substantially horizontal base affixed to its bottom end, with a plurality of spikes... | 06/28/2005 |
| 4824077 | Concrete fence post This invention relates generally to a concrete fence post having plastic insert members cast therein at desired locations. The plastic insert members accommodate traditional fasteners such as fencing staples or nails and thereby provide a quick and easy m... | 04/25/1989 |
| 4519586 | Lifetime livestock fence post A fence post is provided and consists of a plurality of relatively short transverse pins longitudinally spaced and secured within a reinforced concrete body portion to project from a curved face of the body portion whereby each pin has a head portion outs... | 05/28/1985 |
| 4357001 | Method and apparatus for making fences A composite fence post is specifically shaped to reduce splitting and shearing and has a driver cap thereon to be driven by an elongate driver tool that encircles the post and that has an interior projection to cooperate with flanges of the post in proper... | 11/02/1982 |
| 3957250 | Plastic fence post An improved fence post fabricated from suitable plastic material and arranged in a tubular configuration having a plurality of pins outwardly extending at right angles to each other from the lower portion of the post and a plurality of holes spaced vertic... | 05/18/1976 |
