Daniel Chapman Stillson Daniel Chapman Stillson Daniel Chapman Stillson (March 25, 1826 - August 23, 1899) was an American inventor. He invented the modern adjustable pipe wrench. He was born March 25, 1826 in Durham, New Hampshire. He was the son of William Stillson and Nancy Chapman. He married Ellen Raynes Davis on April 18, 1855. He was a machinist during the American Civil War and served on David Glasgow Farraguts first voyage as a vice admiral. At the end of the Civil War, Stillson returned to Charlestown, Massachusetts, and eventually he moved to Somerville, Massachusetts. He then worked as a machinist at
Collaboration tool what teleconferencing solutions want to do. Apart from business environments Teleconferencing is currently used in a variety of fields, such as telemedicine, where they contribute enormously to the efficiency and productivity as distance and time are limited factors. A collaboration tool is asynchronous when its users are collaborating at a different time: E-Mail is the best known asynchronous collaboration tool and the most common used - it offers intuitive features for forwarding messages, creating mailing groups and attaching documents. Furthermore, information can be automatically chronologically sorted and assigned to tasks or calendar events. Through group calendars meetings can be scheduled,