| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Empire Level Mfg. Corp. | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | 4,463,501 | Aug. 07, 1984 | G.T. Macklin, R.J. Wright | Level Construction and Methods of Constructing a Level | |
 | 4,559,714 | Dec. 24, 1985 | R.J. Wright | Pitch Measuring Apparatus | |