Richard D. Cerra

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Acme, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Adjustable screen for material destruction apparatus
- Patent number 7,942,353
- Issue date May 17, 2011
- Allegheny Paper Shredders Corporation
- Richard D. Cerra
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS FOR DESTROYING DIGITAL MEDIA STORAGE DEVICES
- Publication number 20170246640
- Publication date Aug 31, 2017
- ALLEGHENY PAPER SHREDDERS CORPORATION
- JAMES WAGNER
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Application
Adjustable screen for material destruction apparatus
- Publication number 20080099591
- Publication date May 1, 2008
- ALLEGHENY PAPER SHREDDERS CORP.
- Richard D. Cerra
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING