Common Contracts

EX-10.4 Supplemental Letter Agreement

Supplemental Letter Agreement • September 25th, 2000 • Nvid International Inc/De • Blank checks

• Contract Type
  Supplemental Letter Agreement
• Filed
  September 25th, 2000
• Company
  Nvid International Inc/De
• Industry
  Blank checks

EXHIBIT 10.4

Supplemental Letter Agreement • March 30th, 2000 • Nvid International Inc/De

• Contract Type
  Supplemental Letter Agreement
• Filed
  March 30th, 2000
• Company
  Nvid International Inc/De

This letter is a supplement to the two agreements signed today between EHPC Ionisation Ltd and Wallace & Tierman Ltd, namely the Non Exclusive License to Manufacture a Non Patented Product arid the Exclusive Agreement to Develop the Ionisation Non Halogen Disinfection System Product.