The patents and their transcriptions, four forums, the bench notes and the glossary — one
index, ranked together, so a claim in a patent and the thread arguing about it come back side
by side.
Cited prior art · Manikowske George, Feneis George and 2 more · United States · 1933
be rotated in a direction opposite to the engaged by one end of said hollow shaft, a 130 Page 7 propeller carried by said hollow shaft, and to rotate in a direction
