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Albert D'Addario Patents |
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Inventor: D'Addario; Albert
Address: Southington, CT
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 6361234 |
Pressurized writing instrument employing a compressible piston member |
March 26, 2002 |
| A pressurized writing device comprising an ink tube having a first end and second end, a writing tip at the first end, an end plug at the second end, a pressurizing system. The pressurizing system applies a force to a writing medium in the ink tube to force the writing medium out the wri |
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