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Attorney: McDougall, Hersh and Scott


Number of patents: 2
Last date: February 05, 1980

NumberTitleIssue Date
4187180Hollow-fiber permeability apparatus
In a hollow-fiber permeability apparatus in which a permeating region of a housing contains a bundle of hollow fibers, and materials can selectively permeate through the membranes formed by the permeable walls of the hollow fibers, between a fluid flowing...
02/05/1980
4113147Vacuum bottle with air pump to pressurized bottle to effect dispensing
A vacuum bottle includes a pump dispenser for dispensing liquids from the temperature insulating interior without the need for removing the top or pouring. The pump dispenser employs a manually operated disk to pump air from a diaphragm into the bottle in...
09/12/1978
 
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