73262283
May 15, 1980
Feb 9, 1982
Marine Instruments-Namely, Clinometers and Boating Speedometers; Navigational and Surveying Instruments-Namely, Moving Vane Wind Indicators, Sextants, Artificial Horizons, Parallel Rules, Triangles, Protractors, Dividers, Compasses, and Navigational Plotting Boards; and Sporting Instruments-Namely, Stadimetric Distance Measuring Instruments, Time/Speed/Distance Computers and Water Depth Measurement Instruments
Electrical and Scientific Apparatus