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United States Utility Patents
5,021,040 - 5,021,049

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NumberTitle
5,021,040 Paperboard container having leak preventative raised sealing scores
5,021,041 Attachment for box making machine
5,021,042 Die cutting apparatus with impressible coating
5,021,043 Method and catheter for dilatation of the lacrimal system
5,021,044 Catheter for even distribution of therapeutic fluids
5,021,045 Retrograde venous cardioplegia catheters and methods of use and manufacture
5,021,046 Medical pressure sensing and display system
5,021,047 Restricted use hypodermic syringe
5,021,048 Blood pump drive system
5,021,049 Needle sheath holder with seepage precluding engagement zones



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