Michael Sparling

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Woodinville, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Folding apparatus for positioning objects into structures
- Patent number 5,312,218
- Issue date May 17, 1994
- Rodger D. Pratt
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Apparatus and method for positioning an object in a building
- Patent number 4,671,721
- Issue date Jun 9, 1987
- Rodger Pratt
- B66 - HOISTING LIFTING HAULING