Peter Engel

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Stamford, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Advertising device
- Patent number 4,852,912
- Issue date Aug 1, 1989
- Peter Engel
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Advertising device and a developing device therefor
- Patent number 4,751,894
- Issue date Jun 21, 1988
- Peter Engel
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Knockdown mailer and advertising device in a periodical
- Patent number 4,735,356
- Issue date Apr 5, 1988
- Peter Engel
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL