Lance E. Helfers

City:

Chesterfield, Missouri

Country:

United States

Published Applications:

Last publication date:

2020-04-09

Recent patent applications by Helfers Lance E.

Lance E. Helfers from Chesterfield, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2020-04-09

US20200109862A1

Mechanical engineering

FLUID HEAT EXCHANGER

InventorID:

2696216 ⎘