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| Number | Title | Issue Date |
| 6001105 | Acetabular reamer cup and method of producing the same A method for making an acetabular reamer for an acetabular reamer comprising the steps of: fabricating a bowl shaped cup-blank having outer and inner bowl shaped surfaces, perforating a plurality of holes through the cup-blank, the holes each are surround... | 12/14/1999 |
| 4916984 | Shovel blade and method of manufacture A shovel blade comprises a body portion having an elongated socket at its rearward end and a digging portion integral with the socket and extending laterally outwardly and forwardly therefrom. The socket has a predetermined straight portion of longitudina... | 04/17/1990 |
