| 7219808 |
Display rack for levels |
Robert J. Kram |
2007-05-22 |
| 6351875 |
Apparatus for securing a level and a structural component to one another |
Joseph B. Coel |
2002-03-05 |
| 6249983 |
Levelling apparatus for a laser level |
Joseph B. Coel |
2001-06-26 |
| 6151787 |
Levelling apparatus for a builder's laser level |
Joseph B. Coel |
2000-11-28 |
| 5940978 |
Builder's level with hand-grip feature |
Joseph B. Coel |
1999-08-24 |
| 5901445 |
Method for making a builder's tool |
Richard S. Woods |
1999-05-11 |
| 5875576 |
Method and display card for labeling a tool |
Robert J. Kram |
1999-03-02 |
| 5339530 |
Hand level instrument with composite metal and plastic body |
— |
1994-08-23 |
| 5279041 |
Level straight-edge apparatus and method of construction |
— |
1994-01-18 |
| D343363 |
Hand level |
— |
1994-01-18 |
| 5003699 |
Level vial with extender pitch range |
— |
1991-04-02 |
| D314522 |
Level |
— |
1991-02-12 |
| D314350 |
Level |
— |
1991-02-05 |
| 4979310 |
Composite level including an indexing system for aligning the frame with the cover plates |
— |
1990-12-25 |
| D285780 |
Level rule |
Donald E. Wright |
1986-09-23 |
| 4599806 |
Carpenter's square and protractor |
— |
1986-07-15 |
| 4571845 |
Polycast level instruments with means for retaining level vials therein |
Donald E. Wright |
1986-02-25 |
| 4559714 |
Pitch measuring apparatus |
— |
1985-12-24 |
| D280185 |
Level |
— |
1985-08-20 |
| 4463501 |
Level construction and methods of constructing a level |
Gary T. Macklin |
1984-08-07 |
| 4419833 |
Composite level construction |
— |
1983-12-13 |