| Patents Granted on 1984-04-?? |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 4,441,021 | Apr. 03, 1984 | C.B. Stout, D.D. Grover, J.A. Thompson, G.E. Olson, T.P. Becker | Luminosity Probe for Diesel Engine Timing Apparatus | |
| D273,468 | Apr. 17, 1984 | T. Kanou, T. Shirai, M. Ueda | Micrometer | micrometers |
| D273,469 | Apr. 17, 1984 | T. Kanou, T. Shirai, M. Ueda | Micrometer | micrometers |
| 4,443,928 | Apr. 24, 1984 | E.J. Kielma | Multiple-spindle Tool Changer | tool changers and storage mechanisms |
| 4,444,348 | Apr. 24, 1984 | A.M. Campbell | Compensating Nail Chuck | nailing machines |
