4. Radiation imagery chemistry: process, composition, or product th
  5. Radiation sensitive product
  6. Two or more radiation-sensitive layers containing other than...

Donald Krause

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Multipart photosensitive element with both fixed contrast and va

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
Patent

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Multipart photosensitive element with independent contrast contr

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
Patent

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Rotating display

Sales and advertising equipment – Signs or display forms – Rotatable display
Design Patent

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