| Patents for Colt Industries Operating Corp. |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 3,728,626 | Apr. 17, 1973 | H.C. Thomas, A.T. Douglas | Electronic Measuring System | electrical measuring apparatus |
| 3,877,532 | Apr. 15, 1975 | J.D. Hale | Low Profile Scale | scales and balances |
| 3,917,981 | Nov. 04, 1975 | H.J. Keen | Scale Lighting Protection System | scales and balances |
| 3,990,032 | Nov. 02, 1976 | P. Barrett, H.J. Keen, C.H. Knodel, D.H. Fish | Vehicle Weighing System | scales and balances |
| 4,081,801 | Mar. 28, 1978 | H.J. Keen, H.C. Thomas | Electronic Measuring System with Pulsed Transducer | electrical measuring apparatus |
| 4,238,784 | Dec. 09, 1980 | H.C. Thomas, H.J. Keen | Electronic Measuring System with Pulsed Power Supply and Stability Sensing | electrical measuring apparatus |
| 4,393,455 | Jul. 12, 1983 | J.S. Havers, A.T. Douglas | Modular Electronic Measuring and Printing Unit | electrical measuring apparatus |
| 4,471,442 | Sep. 11, 1984 | J.S. Havers, A.T. Douglas | Modular Electronic Measuring and Printing Unit | electrical measuring apparatus |
| 4,549,439 | Oct. 29, 1985 | L.P. Barrett, H.J. Keen | Moistureproof Load Cell for Food Processing Applications and Method for Making the Same | electrical measuring apparatus |
| 4,609,062 | Sep. 02, 1986 | J.D. Hale, H.L. Scott | Heavy-Duty Industrial Weighing Scale | scales and balances |
| 4,620,521 | Nov. 04, 1986 | R. Zechlin, R.M. Henderson | Modular Programmable High Energy Ignition System | ignition systems |
