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| Patents Granted on 1984-11-?? | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,480,738 | Nov. 06, 1984 | C.E. Mattson | Workpiece Storage and Shuttle Apparatus | workpiece changers and storage mechanisms | |
| 4,481,569 | Nov. 06, 1984 | S.A. Hoodbhoy | Feedback system for robot controller | ||
| 4,483,402 | Nov. 20, 1984 | W. Vonhoff, Jr. | Paving breaker | ||
| 4,483,415 | Nov. 20, 1984 | H.C. Disston, Jr., T.J. Eichfeld | Folding stepladder | ||
| 4,484,469 | Nov. 27, 1984 | R.H. Mueller, D.D. Grover | Luminosity Probe with Positively Retained Light Pipe | ||