Famous Patents
The first commercial microwave oven was nearly 6 feet tall and weighed in at 750 pounds.
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 |
| 4371752 | Electronic audio communication system An advanced electronic telecommunication system is provided for the deposit, storage and delivery of audio messages. A Voice Message System (10) interconnects multiple private branch exchanges (12) of a subscriber with a central telephone office (22). Ind... | 02/01/1983 |
