International Cryogenics Refrigerator Mech. Design International Cryogenics Refrigerator Mech. Design from Kraig Kooiman International Cryogenics Refrigerator Mech. Design I did the mechanical design and plastic part design for this product. Credit for ID goes to Bob Mayercheck gLike International Cryogenics Refrigerator Mech. Design I did the mechanical design and plastic part design for this product. Credit for ID goes to Bob Mayercheck Engineering Share R 7 n Kraig Kooiman Product Design & Development Consultant (ID, Mechanical, and Mfg.) Vacaville, CA Follow Contact