Yes, several. One of the oldest is linked below; others may be found by searching for patents referring to this one.
a waterslide is 'un toboggan aquatique' in French.
what is the patent number of the automatic dog feeder.
US patents have bar codes that enable automatic scanning devices to detect the bar codes, read them and interpret the numbers represented in the code, such as the patent or application serial number, thus allowing automatic handling of certain patent documents.
Yes
The first automatic vacuum cleaner was patented by Hubert Booth.
You would want to protect it by copyright, not patent. Copyright protection is automatic as soon as the music is fixed in a tangible medium (notated or recorded).
He received British patent 9745 for the facsimile unit in 1843 for "automatic electrochemical ...
Yes it is
Elias Howe received a patent in 1851 for an 'Automatic, Continuous Clothing Closure.'
A team of 10 employees covered 472,413 miles in 24 hours on a 242-ft. 9 in. waterslide.
it really depends on the waterslide like small one could cost 20,000 dallars when a big one could cost about 80,000 dollars
Who invented the Automatic Direction Signal? Frederick E. Voigt of Los Angeles California. The patent application was filed March 16, 1922 serial No. 544,269. The patent was granted April 7, 1925 Pat. No. 1,532,563. Fred Voigt is my great grandfather. He has passed away but I have pictures of the Voigt Automatic directional signal, and copies of his patent.