JOHN R ANDRA
Vehicle Board in Pittsburgh, PA

License number
Pennsylvania MV120927L
Category
Vehicle Board
Type
Vehicle Salesperson
Address
Address
Pittsburgh, PA 15237

Personal information

See more information about JOHN R ANDRA at radaris.com
Name
Address
Phone
John J Andra, age 83
8097 Brittany Ct, Pittsburgh, PA 15237
(412) 367-8248
John R. Andra
Pittsburgh, PA
(412) 367-8248

Professional information

John Andra Photo 1

Uniform Temperature Incubator

US Patent:
4039775, Aug 2, 1977
Filed:
Oct 1, 1975
Appl. No.:
5/618498
Inventors:
John R. Andra - Pittsburgh PA
Assignee:
Fisher Scientific Company - Pittsburgh PA
International Classification:
F27D 1102
US Classification:
219385
Abstract:
An improved incubator includes a heated door which increases temperature uniformity inside the incubator.


John Andra Photo 2

Humidifier

US Patent:
3987133, Oct 19, 1976
Filed:
Sep 5, 1975
Appl. No.:
5/610571
Inventors:
John R. Andra - Pittsburgh PA
Assignee:
Fisher Scientific Company - Pittsburgh PA
International Classification:
B01F 304
US Classification:
261130
Abstract:
A humidifier for conditioning fluid for delivery to a test chamber, such as an incubator, includes means for automatically regulating the quantity, level and temperature of a body of water through which mixed gases, such as air and CO. sub. 2, are bubbled to entrain moisture in the gases. The water is heated to below its boiling point. The relative humidity of the saturated mixture delivered to the test chamber is usually at least 90% at temperatures between about 30. degree. - 60. degree. C.