Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4919330 | Quick release railroad highway crossing The railroad highway crossing panel fastening system includes a series of dowel pins, spring clips and hanger/hanger bars. The dowel pins are inserted or cast into the ends of each crossing panel in a plane parallel to the base of the rail and are positio... | 04/24/1990 |
| 4192459 | Rail anchoring system The rail anchor system includes two pins and two clips. Each pin extends through a horizontal transverse bore in a cross-tie. The pins have extensions at each end exposed on both sides of the cross-tie and the bores are parallel to and substantially withi... | 03/11/1980 |
