"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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| Number | Title | Issue Date |
| 4005527 | Depth gauge A depth gauge includes a number of alternating sections of material which are X-ray transparent and X-ray opaque, respectively. The sections are carried in an elongated cylinder, and are each of a predetermined known length. The depth gauge is insertable ... | 02/01/1977 |
| 3973327 | Guage for grass cutting A gauge for determining the height to which grass should be cut is configured as an elongated strip having a reference edge at one end adapted to be placed against the ground. On the strip there are plural sets of different indicia, with two longitudinall... | 08/10/1976 |
| 3936944 | Linear cut sewing tape A sewing tape especially adapted to provide a measured sewing guide line when using a sewing machine. The tape is in the form of a strip provided with cuts extending through the tip for separating the tape into ribbons of predetermined thickness and has s... | 02/10/1976 |