| 1952 HARRIS Design Original Bubble Level Patent 44675 |
| 1896 STARRETT Design Plumb Level Frame Patent 45718 |
| 1942 SCIFRES Design Protractor Level Patent 44914 |
| 1935 SAND Ornamental Design Spirit Level Patent 45139 |
| 1960 DAVIS Design Hand Level BERGER Patent 44530 |
| 1950 DAUDELIN Design Straight Edge Level Patent 44715 |
| 1936 LANGSNER Design Y Level DIETZGEN Patent 45120 |
| 1896 TRAUT Original Design Level Frame Patent 45717 |
| 1944 BERNARD Ornamental Design Sprit Level Patent 44875 |
| 1960 DAVIS Design Dumpy Level BERGER Patent 28839 |
| 1877 DAVIS Novel Design Spirit Level Patent 45823 |
| 1900 AKERS Original Design Ship Level Case Patent 45598 |
| 1877 DAVIS Ornamental Design Spirit Level Patent 45822 |
| 1900 CONNER New Original Design Level Patent 45593 |
| 1921 WATSON Design Level UNIVERSAL Patent 45313 |
| 1957 HOWLEY Design Tilting Level HOLMBERG Patent 28852 |
| 1912 ARMSTRONG Ornamental Design Level Patent 45484 |
| 1954 VON DUYKE Design Sprit Level MODERN Patent 44635 |
| 1965 BURKE Design Soap Bar LEVEL Patent 34152 |
| 1912 DISSTON Ornamental Design Level Patent 45478 |
| 1912 DISSTON New Ornamental Design Level Patent 45479 |
| 1944 HONEYMAN New Design Spirit Level Patent 44863 |
| 1950 FLUKE Ornamental Design Level BUCKEYE Patent 44714 |
| 1978 GRIFFITHS Design Golf Tee Level Patent 46569 |
| 1936 LANGSNER Design Dumpy Level DIETZGEN Patent 45121 |
| 1952 HARRIS Ornamental Design Line Level Patent 44674 |
| Brand NEW Wood GINGERBREAD Design Multi-Level BIRDHOUSE |
| NEW Swanson 48" Magnetic I-Box Design Level Rubber Grip |