THIS DOCUMENT IS NOT CURRENT: This AIM document is appropriate for someone who has historical interest in the TELEPEN specification. This Uniform Symbol Specification (USS) was developed by AIM Europe’s Technical Literature Committee from the original Telepen specification devised by SB Electronic Systems Limited in 1972. Publication date 1972 This product is a single user license only. Copying and/or networking is prohibited. By purchasing this product, you agree to abide by the AIM End User License Agreement.