Craig R. Schaaf

Person

Standish, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Sound collecting block and sound absorbing wall system
- Patent number 5,551,198
- Issue date Sep 3, 1996
- Cecil F. Schaaf
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Multi-faceted interfacial building blocks
- Patent number 5,513,475
- Issue date May 7, 1996
- Cecil F. Schaaf
- E04 - BUILDING
Information Patent Grant
Non-rectangular block and wall
- Patent number 5,341,618
- Issue date Aug 30, 1994
- Cecil F. Schaaf
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Building blocks and their use
- Patent number 5,285,610
- Issue date Feb 15, 1994
- Cecil F. Schaaf
- E04 - BUILDING
Information Patent Grant
Beach erosion control device
- Patent number 4,711,598
- Issue date Dec 8, 1987
- Cecil Schaaf
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Burial enclosure arrangement and method
- Patent number 4,387,491
- Issue date Jun 14, 1983
- Cecil F. Schaaf
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Device for preventing beach erosion
- Patent number 4,367,978
- Issue date Jan 11, 1983
- Cecil Schaaf
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Shore erosion prevention modules
- Patent number 4,367,977
- Issue date Jan 11, 1983
- Cecil F. Schaaf
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Traffic barricade
- Patent number 4,312,600
- Issue date Jan 26, 1982
- Cecil Schaaf
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Traction aid device
- Patent number 4,281,791
- Issue date Aug 4, 1981
- Cecil F. Schaaf
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Walking cane apparatus
- Patent number 4,274,430
- Issue date Jun 23, 1981
- Cecil F. Schaaf
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Craig R. Schaaf

Person

Patents Grantslast 30 patents

Sound collecting block and sound absorbing wall system

Multi-faceted interfacial building blocks

Non-rectangular block and wall

Building blocks and their use

Beach erosion control device

Burial enclosure arrangement and method

Device for preventing beach erosion

Shore erosion prevention modules

Traffic barricade

Traction aid device

Walking cane apparatus