...Chester Carlson was a patent agent who tired of having to make multiple copies of patent applications using the only duplication method available at the time: carbon paper. In 1959 he came up with a new copying system and took it to IBM for evaluation. The "experts" at IBM determined potential sales to be only 5,000 units because people wouldn't want to use a bulky machine when they had carbon paper. Carlson's invention was the xerography process, the company founded on the system is Xerox.
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 |
| 7036761 | Dual reel unwinder/rewinder with a slack take-up mechanism A cable unwinder/rewinder with continuous electrical connection which is suitable for use with heavy gauge cable and in a pharmaceutical manufacturing environment. A general embodiment is comprised of a frame; a user-side reel; a slack-side reel and a slack take-up ... | 05/02/2006 |