Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 5642921 | Adjustable height stud for use in a snowmobile track A snowmobile stud (12) having a tip (18) which permits adjustment of the degree of protrusion of the tip beyond the bottom surface (10) of the track (1). The stud (12) can be installed with the aid of a nut (20) placed within an oversized bore (19). Alter... | 07/01/1997 |
