David M. Larson — 5 Patents at Broan-Nutone

David M. Larson has been granted 5 US patents while listed as an inventor at Broan-Nutone. The first was granted in 1986 and the most recent in October 2021. David M. Larson ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list David M. Larson in Portland, OR, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
11145921	Vapor phase photo-electrochemical cell	Karl A. Walczak	2021-10-12
6802770	Ventilating exhaust fan	Robert G. Penlesky, Daniel L. Karst, Robert A. Chvosta, Alan G. Klug, Kevin P. Gahagan	2004-10-12
6488579	Ventilating exhaust fan	Robert G. Penlesky, Daniel L. Karst, Robert A. Chvosta, Alan G. Klug, Kevin P. Gahagan	2002-12-03
6261175	Ventilating exhaust fan	Robert G. Penlesky, Daniel L. Karst, Robert A. Chvosta, Alan G. Klug, Kevin P. Gahagan	2001-07-17
D284132	Rectangular double donut	—	1986-06-10

David M. Larson — 5 Patents

Issued Patents All Time

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