Number | Name | Date | Kind |
---|---|---|---|
2003847 | Woods | Jun 1935 | |
3138815 | James, Jr. | Jun 1964 | |
3251087 | Platt, Jr. | May 1966 | |
4380092 | Brothers | Apr 1983 |
Number | Date | Country |
---|---|---|
1523413 | Mar 1968 | FRX |
Entry |
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"Cost-Effective Carpet Maintenance for Airport Terminals", Sales Catalogue, The Von Schrader Co, date unknown. |
"New System Provides Better Cleaning, Faster, More Effective Carpet Care", Cleaning Management, date unknown. |