David William Pfeffer

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Palm City, FL, US

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Patents Applicationslast 30 patents

Information Patent Application
Masonry Block With Partial Cells
- Publication number 20180245345
- Publication date Aug 30, 2018
- David W. Pfeffer
- E04 - BUILDING
Information Patent Application
Masonry Block With Partial Cells
- Publication number 20160362889
- Publication date Dec 15, 2016
- David W. Pfeffer
- E04 - BUILDING
Information Patent Application
24" Center Hand Hold Block
- Publication number 20150315784
- Publication date Nov 5, 2015
- David William Pfeffer
- E04 - BUILDING