Patent Grant
D400948
| Number | Name | Date | Kind |
|---|---|---|---|
| D224029 | Wayzata et al. | Jun 1972 | |
| D262818 | Works | Jan 1982 | |
| D281985 | Spirk et al. | Dec 1985 | |
| D303826 | Aker | Oct 1989 | |
| D333328 | Aker et al. | Feb 1993 | |
| D334610 | Aker | Apr 1993 | |
| D340098 | Petersheim | Oct 1993 | |
| D340099 | Warren et al. | Oct 1993 | |
| D343438 | Fish | Jan 1994 | |
| D344773 | Aker et al. | Mar 1994 | |
| D355693 | Aker et al. | Feb 1995 | |
| D358620 | Hill et al. | May 1995 | |
| D358860 | Pipik | May 1995 | |
| D361614 | Aker et al. | Aug 1995 | |
| D366512 | Ziegler et al. | Jan 1996 | |
| D367309 | van Huystee | Feb 1996 | |
| D367694 | van Huystee | Mar 1996 | |
| D367911 | van Huystee | Mar 1996 | |
| D372757 | Martin et al. | Aug 1996 | |
| D375537 | Lenihan | Nov 1996 | |
| D377074 | Ford et al. | Dec 1996 | |
| D377075 | Temple et al. | Dec 1996 | |
| D377203 | Jaeb | Jan 1997 | |
| D383186 | Van Huystee | Sep 1997 | |
| D384722 | Siragusa, Jr. et al. | Oct 1997 |
| Entry |
|---|
| P. 24, Activity apparatuses; Educational Media Incorporated, 3191 Westover Dr., Southeast, Washington, DC 20020. Publication date 1980. |
| Catalog page, Climber; Step 2 Corporation, 10010 Aurora-Hudson Road, P. O. Box 2412, Streetsboro, Ohio 44241. Publication date 1993. |
| Catalog page, Slide center; Step 2 Corporation, 10010 Aurora-Hudson Road, P. O. Box 2412, Streetsboro, Ohio 44241. Publication date 1993. |
| Pp. 43, Play center, "Playthings" catalog, address unknown. Publication date Sep. 1985 |
| Pp. 65, Activity apparatuses, Kaplan School Supply Corp., 1310 Lewisville-Clemmons Road, Lewisville, North Carolina 27023. Publication date 1986-1987. |
