A job description's primary purpose is employee recruitment. The job description alerts potential employees to the job opening and the job's requirements. As a result, the job description meets the company's need to attract qualified employees as defined by the job summary and job functions specified in the description.
dr martin cooper is the person credited with both inventing the modern cell phone as well as making the first cell phone call in new york city new york in april 1973 a related invention is the cave radio phone invented by nathan stubblefield who was awarded a patent for the idea in the early 20 th century 1908
The mobile or cell phone was invented by Martin Cooper in 1973. The history of the cell phone shows that Nathan Stubblefield had a patent in 1908. However the patent was for cave radio phones and not the mobile device as we know it today.Early History.As stated, Stubblefieldâs patent was for cave radio telephones, as the device was known then.irst Generation Phones. Cooperâs invention was patented on October 17, 1973. the first phone call was made by Cooper months before he applied for the patent, on April 3, 1973. He made the call to Dr. Joel Engel, a researcher at AT&Tâs Bell Labs.