Ergonomic writing instrument

  • US 5,893,671 A
  • Filed: 02/24/1997
  • Issued: 04/13/1999
  • Est. Priority Date: 02/24/1997
  • Status: Expired due to Fees
First Claim
Patent Images

1. A writing instrument comprising:

  • (a) an elongated body having a uniform equilateral triangular cross-section along the length thereof said body having a uniform twist of between 150 degrees and 210 degrees along the length thereof, and(b) a writing element within said body.

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