| Number | Name | Date | Kind |
|---|---|---|---|
| D255564 | Brooksby et al. | Jun 1980 | |
| D277275 | Dickerson | Jan 1985 | |
| D340660 | Russell | Oct 1993 | |
| D354747 | Herbstritt et al. | Jan 1995 | |
| D365554 | Fisher et al. | Dec 1995 |
| Number | Date | Country |
|---|---|---|
| 2942771 | May 1981 | DEX |
| Entry |
|---|
| Oil-Free Rotary Screw Air Compressors Sierra.RTM. 50-200hp (37-150kW) Air Compressor Brochures, .COPYRGT.1995 by Ingersoll-Rand Company. |
| Oil Free Rental Air Compressors, Rental Compressor Brochure, .COPYRGT.1995 by Ingersoll-Rand Company. |