| Patents Granted on 1981-11-?? |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 4,297,950 | Nov. 03, 1981 | E.A. Bluhm, L.J. Funk | Tow truck | dollies, carts and hand trucks |
| 4,299,377 | Nov. 10, 1981 | J.O. Lenz | Manually operated clamp effort intensifier for vise | machinist vises |
| 4,299,398 | Nov. 10, 1981 | E.C. Wahl | Pressure Compensating Shaft Seal | shaft seals |
| 4,300,086 | Nov. 10, 1981 | M.R. Cesarz, R.E. Stobbe | Control Circuit for A.C. Induction Motor | motor controls |
| 4,300,418 | Nov. 17, 1981 | T.R. Wagner, N.V. Gusching | Tool turret mechanism | |
| 4,301,600 | Nov. 24, 1981 | P.W. Charnley | Locating mechanism | miter squares |
| 4,302,724 | Nov. 24, 1981 | N.C. Neumann, D.D. Grover | Pickup Probe for Engine Timing | |
