38 In the American case of American Safety Table Co Inc v.Schreiber (1959) 269 F 2nd 255, it was said at 271-272: "...(At) first glance it might seem intolerable that one manufacturer should be allowed to sponge on another by pirating the product of years of invention and development without licence or recompense and reap the fruits sown by another. a discordant note. Morally It cuts across the grain of justice to permit an intruder to profit not only by the efforts of another but at his expense as well." However, this initial response to the problem was curbed in deference to the greater public good: "For imitation is the life blood of competition. It is the unimpeded availability of substantially equivalent units that permits the normal operation an