Hi All,
I did a quick search on the USPTO web site and found the following information on patent 3388651.
It was issued on June 18th, 1968 to Sidney Axelrod, and assigned to Top Flight. For more information or to read the patent, click on the following link.
http://patimg2.uspto.gov/.piw?docid=...6RS=PN/3388651
Thanks to Mr. Sidney Axelrod...or curses...whatever the case may be at the time...
Later,