Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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 |
| 5418334 | Relative position tracer lamp indicator Digital signal cross connect communication systems include a plurality of tracer circuits within a particular shelf, a plurality of shelves within a particular rack, a plurality of racks within a particular row, and, generally, a plurality of rows within ... | 05/23/1995 |
| 4815104 | Digital telecommunications network, cross-connect module A digital telecommunication network having a digital cross-connect system is described for facilitating the installation, testing, monitoring, restoration and repair of digital telecommunication apparatus. The system includes a plurality of digital cross-... | 03/21/1989 |
| 4670626 | Cross connect frame for digital signals A cross-connect frame for digital signals transmitted at DS-1 and higher rates independent of signal format is disclosed. In its simplest form the frame includes a single chassis into which boards providing for either a mechanical or electronically contro... | 06/02/1987 |
| 3956590 | Switching arrangement for switching between different current values by means of mechanical or electronic switches Apparatus is described for switching between various current values in terminal equipment or remote units of data transmission systems using either mechanical or electronic switches. The connecting paths in a number of switches are connected in series bet... | 05/11/1976 |
