Bergstein, David M.

États‑Unis d’Amérique

 
Quantité totale PI 2
Rang # Quantité totale PI 696 551
Note d'activité PI 0/5.0    0
Rang # Activité PI 1 605 997

Brevets

Marques

0 0
2 0
0 0
0
 
Dernier brevet 2013 - Radiation compensated thermometer
Premier brevet 2006 - Infrared air heater

Derniers inventions, produits et services

2013 Invention Radiation compensated thermometer. A radiant compensated thermometer, which uses a pair of parabo...
2006 Invention Infrared air heater. An air heater is provided for use in buildings or other structures. The air ...