The first being his concern with the fact that the tee could not be seen once the ball was upon it, even if the tee were adjusted by tilting to help maintain proper balance under windy conditions. (See fig 5 & 6) The second point he stressed was that his tee in no way would interfere with the golf shot, it would either break or come loose from the ground. 

However the thing that stands out from the first paragraph of the golf tee patent application, is it "displaced the use of molding damp sand by hand". Then latter in summary "...my peg tee provides means fro more perfect support and adjustment of support for the golf ball, without the necessity of manipulating sand or earth to from the old fashioned tee, therefore avoiding entirely the soiling of the hands...". If this all sounds familiar it is because it was the same point stressed by Dr. Grant in his 1899 peg tee patent.

So in any event Dr. Lowell's tee ( clearly a knock off of Gr. Grant's) caught on and golf was forever changed. It is also interesting to note that Dr. Lowell's son, William Jr. not only made his own contribution indirectly to the game of golf, but his personal contribution to the American lifestyle is almost immeasurable. You see William Jr. ran the Reddy Tee company for a few years and made himself into an industrial packaging specialist. In 1933, Dr. Lowell and William ended up selling the Reddy Tee Company to Red Devil Inc and young William went to work for the Union Bag Company where he developed what is known today as "the six pack".