{HEAD ~ The long standing but heretofore unfulfilled need} for {TAIL ~ an improved watercraft propulsion system} that fulfills the identified needs is now met by a new, useful, and nonobvious invention 
for
{ HEAD ~ The long standing but heretofore unfulfilled need } for { TAIL ~ an improved watercraft propulsion system } that fulfills the identified needs is now met by a new , useful , and nonobvious invention
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH