Blonder Tongue Laboratories Inc. reported third-quarter FY21 net sales nearly flat year-on-year at $4.17 million. The company said it faced a specific short-term semiconductor supply chain disruption resulting in a material adverse impact on its results. EPS loss of $(0.02) narrowed from $(0.18) last year. The gross margin expanded by 1,831 bps to 35.9 percent….