4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. Cellular products or processes of preparing a cellular...

Frank Otto

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Internal combustion engine with direct fuel injection

Internal-combustion engines – Combustion chamber means having fuel injection only – Combustible mixture stratification means
Reexamination Certificate

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Process for preparing rigid polyurethane foams

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent

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Profile ID: LFUS-PAI-P-38398

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