Patent Application Ser. No. 07/100,293 entitled "Container and seam ring for Container" filed on Sep. 22, 1987 by Christopher J. Farrell, Thomas Hlobil and George F. Nahill, Group Art Unit 241, Examiner S. Pollard. |
Sales brochure of American National Can entitled "Food Packaging Will Never Be the Same Again . . ." (approximate date Jun. 1988). |
Farrell, C. J. and Organ, J. R., "Shelf Stable Plastic Package Options for the Microwave," Activities Report of the R & D Associates vol. 40, No. 2, pp. 66-71 (1988). |