I was taking it 50 mg every six hours. But what has happened? I have missed the dose and I took two at once. I know that I should not do that and I don't know what I was thinking about while taking it but it has happened. I am afraid of overdose. How much of diphenhydramine is an overdose?
Quick Answer. The train was first invented and patented in 1784, by James Watt. The first working model to be made and successfully run was created in 1804 by Richard Trevithick. Continue Reading.
Werner von Siemens. Werner von Siemens invented âDynamoâ, âElectric Elevatorâ and âTrolleybusâ. Werner Von Siemens was a German inventor who made remarkable contributions to the fields of electronics and engineering. Born in Prussia (now a part of Germany) in 1816, he was the fourth of fourteen children. Without formally finishing high school, Siemens joined the Prussian Army to gain training in engineering which his father could not afford to give him.