Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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 |
| 3987246 | Apparatus for automatically sending data over a telephone system from a remote station to a central station The apparatus disclosed is for use with conventional automatic dialing telephone equipment and includes a master or central station and a remote, automatically triggered, dialing station. The remote station is triggered by an alarm device of no particular... | 10/19/1976 |
| 3969584 | System for recording the actuation of remotely located locking devices A system for providing a record of each time any one of a plurality of remotely located locking devices is operated, as well as the number of the key used for each lock actuation. The disclosed system includes means located at each secured premises for se... | 07/13/1976 |
| 3937891 | Burglar alarm An alarm system having means by which unauthorized entrance into an enclosure activates mechanical apparatus which dials a second telephone from a first telephone, thereby informing whomever might be present at the second telephone that a particular locat... | 02/10/1976 |
