| Number | Name | Date | Kind |
|---|---|---|---|
| 1382082 | Heltzel | Jun 1921 | |
| 1741829 | Cucolo | Dec 1929 | |
| 2996896 | Johnson | Aug 1961 | |
| 3012596 | Skolout | Dec 1961 | |
| 3444659 | Shanni | May 1969 | |
| 3797049 | De Santo | Mar 1974 | |
| 3930647 | Berlemont | Jan 1976 | |
| 3933002 | Vickery | Jan 1976 | |
| 4022437 | French | May 1977 | |
| 4508319 | Tappan et al. | Apr 1985 | |
| 4533112 | Santos, Jr. et al. | Aug 1985 | |
| 4548005 | Glonek et al. | Oct 1985 | |
| 5134857 | Burley | Aug 1992 | |
| 5174083 | Mussell | Dec 1992 | |
| 5230187 | Reimann | Jul 1993 | |
| 5489165 | Smith | Feb 1996 | |
| 5562272 | McAbee et al. | Oct 1996 | |
| 5622021 | Bookout | Apr 1997 | |
| 5817247 | Colatruglio | Oct 1998 |
| Number | Date | Country |
|---|---|---|
| 1127677 | Jul 1982 | CA |
| Entry |
|---|
| Riverside Rink Internet Web Pages, Nov. 1998. |
| ICE N' GO Brochure, Farley Ice Technologies, Inc., Oct. 23, 1997. |
| NiceRink Ice Stuff Brochure, pp. 2-4, 7-8, 1998. |
| FreezeFrame Backyard Skating Rink Brochure, Dinky Rink, Inc., circa 1999. |