| Number | Name | Date | Kind |
|---|---|---|---|
| 1767629 | Walter | Jun 1930 | A |
| 1847694 | Kondolf | Mar 1932 | A |
| 1901530 | Pellymounter | Mar 1933 | A |
| 2341374 | Gardner | Feb 1944 | A |
| 2698709 | Neuman | Jan 1955 | A |
| 2719664 | Hester | Oct 1955 | A |
| 2968397 | Cantrell, Sr. | Jan 1961 | A |
| 3108569 | Kundikoff | Oct 1963 | A |
| 3272328 | Krzyzanowski | Sep 1966 | A |
| 3520468 | Wiemann | Jul 1970 | A |
| 3917157 | Smith | Nov 1975 | A |
| 3921893 | Randle, Jr. | Nov 1975 | A |
| 4244472 | Brown | Jan 1981 | A |
| 4638941 | Watson | Jan 1987 | A |
| 5145060 | Maye | Sep 1992 | A |
| 5520325 | Quaintance | May 1996 | A |
| 5950911 | Naughton et al. | Sep 1999 | A |
| 6227370 | Earnshaw et al. | May 2001 | B1 |
| 6270007 | Jensen, Jr. | Aug 2001 | B1 |
| Number | Date | Country |
|---|---|---|
| 197 48 799 | May 1999 | DE |
| 718 207 | Jun 1996 | EP |
| Entry |
|---|
| Wells, Ellen; “Getting It There”, Greenhouse Grower, Mid Sep., 2000, pp. 26-27. |
| RFC Container Company, Inc.—Advertising, (publication date unknown). |
| Protective Packaging, Advertising, (publication date unknown). |
| T. R. Miller Mill Co., Inc., Advertising (publication date unknown). |