Air cleaner

Information

Number	Name	Date
D119197	MacFadden et al.	Feb 1940
D173550	Wrablica	Nov 1954
D267424	Boldt et al.	Dec 1982
D272646	Tsuji et al.	Feb 1984
D274645	Grube	Jul 1984
D281618	Grube	Dec 1985
D282869	Parnell	Mar 1986
D290498	Beane et al.	Jun 1987
D290997	Utsuki et al.	Jul 1987
D291350	Sherman et al.	Aug 1987
D294633	McBratney	Mar 1988
D300353	Yurkovic	Mar 1989
D300847	Lin	Apr 1989
D305260	Mito	Dec 1989
D309182	Hsu	Jul 1990
D311951	Dubin	Nov 1990
D312124	Coup et al.	Nov 1990
D313069	McCormick	Dec 1990
D315598	Yamamoto et al.	Mar 1991
D318526	Chaney	Jul 1991
D323708	Wang	Feb 1992
D324907	Cook	Mar 1992
D325251	Schindler et al.	Apr 1992
D329284	Patton	Sep 1992
D337635	Schindler et al.	Jul 1993
D343448	Jursich et al.	Jan 1994
D343677	Gyori et al.	Jan 1994
D353661	Cich, Jr. et al.	Dec 1994
D354557	Cich, Jr. et al.	Jan 1995
D402022	Termeer et al.	Dec 1998
D402746	Clark et al.	Dec 1998
1952269	Lundquist	Mar 1934
2100439	Friedman	Nov 1937
2590600	Farr et al.	Mar 1952
2707745	Farr et al.	May 1955
2766027	Herr	Oct 1956
2914647	Ganske et al.	Nov 1959
3019324	Sohn	Jan 1962
3348821	Martin et al.	Oct 1967
3348822	Vieceli et al.	Oct 1967
3385287	Lawson et al.	May 1968
3637981	Swimmer	Jan 1972
3725640	Kunz	Apr 1973
3914349	Stipanuk	Oct 1975
4463248	Katzman et al.	Jul 1984
4686069	Hahne et al.	Aug 1987
4811159	Foster, Jr.	Mar 1989
4906417	Gentry	Mar 1990
5332425	Huang	Jul 1994
5407469	Sun	Apr 1995