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Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| 4960411 | Low profile sterrable soft-tip catheter This invention relates to steerable catheters. More particularly, this invention relates to a steerable catheter comprising a flexible catheter member having distal and proximal ends and one or more lumens, the single lumen or one of the lumens being clos... | 10/02/1990 |
| 4944740 | Outer exchange catheter system This invention relates to corporeal catheters. More particularly, this invention relates to an outer exchange catheter system comprising an outer catheter sheath and at least one steerable inner catheter having a control means, said outer catheter sheath ... | 07/31/1990 |
| 4917666 | Steerable thru-lumen catheter This invention relates to steerable thru-lumen catheters and a method of using same, especially in the cardiovascular field. More particularly, this invention relates to a dilatation catheter means comprising: a first flexible tubular member comprising a sprin... | 04/17/1990 |
| 4815478 | Steerable guidewire with deflectable tip The present invention is directed to a steerable guidewire. More specifically, the invention is directed to a guidewire which comprises flexible tubing having proximal and distal ends and inner and outer surfaces, a helically wound flexible spring coil ha... | 03/28/1989 |
| 4813434 | Steerable guidewire with deflectable tip The present invention is directed to a steerable guidewire. More specifically, the invention is directed to a guidewire which comprises flexible tubing having proximal and distal ends and inner and outer surfaces, a helically wound flexible spring coil ha... | 03/21/1989 |
