Patient Monitoring & Vital Signs in Illinois

LCR Hallcrest, LLC (trading as Thermographics) is a US-based manufacturer of thermochromic and photochromic specialty inks, dyes, paints, and consumer products that change color in response to temperature and UV light exposure. The company operates an FDA-registered, ISO 13485-certified facility in Glenview, Illinois, manufacturing made-in-USA products. Primary product lines include Feverscan® forehead thermometers for fever detection in clinical and consumer settings, thermochromic and photochromic specialty inks for industrial and educational applications, and consumer items such as aquarium thermometers, battery testers, and propane tank gauges. Thermochromic liquid crystals are used in flow visualization and heat transfer research. The company offers thermochromic test kits, educational materials, and custom color-change promotional products. Products leverage liquid crystal technology and environmental-responsive inks for temperature monitoring, safety applications (vehicle heat alerts, hot water gauges, baby bath thermometers, choking hazard testers), and energy conservation programs. The company serves healthcare facilities, research institutions, educational markets, and consumer segments globally. Manufacturing capabilities include screen printing, ink formulation, and product assembly. All products comply with relevant safety and regulatory standards for medical and consumer use.

Medinova is a medical device manufacturer specializing in premium stethoscopes and diagnostic auscultation instruments. The company designs and produces acoustically engineered stethoscopes for healthcare professionals across multiple specialties, including cardiology, pulmonology, and pediatrics. All Medinova stethoscopes feature aircraft-grade stainless steel construction, latex-free tubing, and advanced acoustic chambers engineered to isolate ambient noise and enhance body sound clarity across high and low frequencies. The product line emphasizes ergonomic design for extended clinical use, with lightweight tubing and soft ear seals to reduce practitioner fatigue during long shifts. Medinova serves a global market, with products distributed across 50+ countries and trusted by medical students, clinicians, and specialists. The company maintains an in-house R&D capability focused on continuous acoustic innovation and clinical validation. Each model undergoes acoustic testing and clinical validation before market release. Manufacturing utilizes precision engineering techniques to ensure consistent sound quality and durability. The company operates a B2C and B2B distribution model through its website and professional healthcare channels.