Complex sentence: In 1934, a patent for this design was granted, and in 1949, a trademark for the name "Channellock" was granted, with a first-use date of May 1,1932.
Split into simpler sentences: In 1934, a patent for this design was granted. A trademark for the name "Channellock" was granted in 1949, with a first-use date of May 1,1932.