DC

David Curtis

SS S. C. Johnson & Son: 1 patents #961 of 1,588Top 65%
TT The Bergquist Torrington: 1 patents #8 of 15Top 55%
TR Torrington Research: 1 patents #6 of 11Top 55%
Overall (All Time): #414,173 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10711825 Fastener apparatus with self-leveling head 2020-07-14
10221882 Fastener apparatus with self-leveling head Marshall W. Curtis 2019-03-05
9447814 Fastener apparatus with self-leveling head Marshall W. Curtis 2016-09-20
8774970 Trainable multi-mode floor cleaning device Jeremy F. Knopow, Everett F. Carter, Jr., Ted Larson, Bob Allen 2014-07-08
8708630 Fastener apparatus with self-leveling head Marshall W. Curtis 2014-04-29
7859153 Device and method for mounting electric motor stators Robert A. Hoyt 2010-12-28
7850410 Fastener apparatus with self-leveling head 2010-12-14
7802397 Method and apparatus for tracking vermin Henry Gideon Emanuel 2010-09-28
7597518 Fastener apparatus for roofing and steel building construction 2009-10-06
7329077 Fastener apparatus for roofing and steel building construction 2008-02-12
7112038 Blower muffler and vibration isolation Robert A. Hoyt, Russel Hugh Marvin, Bret T. Sleicher 2006-09-26
6491499 Axial flow fan Russel Hugh Marvin 2002-12-10