AU112503B2 - Improvements in filters - Google Patents

Improvements in filters


Publication number
AU112503B2 AU579/40A AU57940A AU112503B2 AU 112503 B2 AU112503 B2 AU 112503B2 AU 579/40 A AU579/40 A AU 579/40A AU 57940 A AU57940 A AU 57940A AU 112503 B2 AU112503 B2 AU 112503B2
Prior art keywords
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Application number
Other versions
AU57940A (en
Paterson. Oscar Carl Merrison William
Original Assignee
Paterson. Oscar Carl Merrison William
Filing date
Publication date
Application filed by Paterson. Oscar Carl Merrison William filed Critical Paterson. Oscar Carl Merrison William
Application granted granted Critical
Publication of AU112503B2 publication Critical patent/AU112503B2/en
Publication of AU57940A publication Critical patent/AU57940A/en
Expired legal-status Critical Current


AU579/40A 1940-02-13 Improvements in filters Expired AU112503B2 (en)

Publications (2)

Publication Number Publication Date
AU112503B2 true AU112503B2 (en) 1941-02-20
AU57940A AU57940A (en) 1941-02-20



Similar Documents

Publication Publication Date Title
GB534312A (en) Improvements in connection with filters
AU112503B2 (en) Improvements in filters
AU112343B2 (en) Improvements in filters
AU57940A (en) Improvements in filters
GB538832A (en) Improvements in filters
AU113153B2 (en) Improvements in liquid filters
CA388408A (en) Filter
AU110535B2 (en) Improvements in tipplers
AU112854B2 (en) Improvements in carburetters
AU113091B2 (en) Improvements in washfountains
AU112631B2 (en) Improvements in life-belts
AU112083B2 (en) Improvements in or relating to filters
AU110332B2 (en) Improvements in broilers
AU114710B2 (en) Improvements in filters
AU338440A (en) Improvements in carburetters
AU80540A (en) Improvements in life-belts
AU200840A (en) Improvements in tipplers
AU112440A (en) Improvements in washfountains
AU71940A (en) Improvements in or relating to filters
CA387003A (en) Coffee filter
AU112898B2 (en) Improvements in riddles
AU110624B2 (en) Improvement in phase-correcting low-pass filters
AU114295B2 (en) Improvements in microphones
AU114466B2 (en) Improvements in microphones
AU369639A (en) Improvements in broilers