Career records & work history
Lawyers & Attorneys
Mason Roberts - Lawyer
ISLN:
1000852418
Admitted:
2018
Mason W Roberts, Age 89Englewood, OH
Mason Roberts Phones & Addresses
Englewood, OH
3722 Ark Ave, Dayton, OH 45416
1328 C E Gray Dr, Winston Salem, NC 27101 (336) 725-9385
Mentions for Mason W Roberts
Mason Roberts resumes & CV records
Resumes
Mason Roberts
Mason Joe Roberts
Mason Roberts
Location:
United States
Publications & IP owners
Us Patents
Portable Beverage Dispensing System
US Patent:
D335061, Apr 27, 1993
Filed:
Oct 11, 1990
Appl. No.:
7/598085
Inventors:
Mason R. Roberts - Dayton OH
US Classification:
D 7306
Cold Storage Cabinet Using Liquified Gas
US Patent:
4976112, Dec 11, 1990
Filed:
Jan 12, 1990
Appl. No.:
7/464375
Inventors:
Mason R. Roberts - Centerville OH
G. Robb Means - Yellow Springs OH
G. Robb Means - Yellow Springs OH
International Classification:
F17C 704
US Classification:
62 481
Abstract:
A pushcart for frozen confectionaries includes a wheel supported insulated cabinet defining a food storage chamber having a rectangular top opening covered by three pivotally connected and removable lid sections. A stainless steel cryogenic tank is supported within the storage chamber under the center lid section and includes an inner wall surrounded by an outer wall to define a closed space therebetween. The inner tank wall defines a cryogenic chamber for receiving liquid nitrogen, and the space between the walls receives a predetermined partial vacuum or gas for precisely controlling the heat transfer from the storage chamber through the tank walls for absorption by the liquid nitrogen. Nitrogen vapor escapes from the tank chamber into the storage chamber through nozzles to maintain a low pressure within the tank, and the tank may be lifted and removed from the storage chamber after removing the lid sections for interchanging cryogenic tanks with different heat absorbing rates and to facilitate cleaning the inside walls of the cabinet.
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