CS

Charles W. Spengler

MS Motorola Solutions: 1 patents #1,044 of 2,212Top 50%
📍 Hoffman Estates, IL: #78 of 707 inventorsTop 15%
🗺 Illinois: #6,670 of 84,256 inventorsTop 8%
Overall (All Time): #379,834 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
10354141 Role-based perception filter Eric Johnson, BENJAMIN ZASLOW 2019-07-16
7462213 Method of minimizing cross contamination between clean air rooms in a common enclosure 2008-12-09
6602128 Clean air room with a blower including a HEPA filter and ducts 2003-08-05
6347490 Docking system for a biobubble clean room 2002-02-19
5688297 Portable clean air facility 1997-11-18
5645480 Clean air facility 1997-07-08
4917046 Aerosol testing method and chamber for experimental animals 1990-04-17
4900342 Blower-filter assembly 1990-02-13
4804392 Clean air facility 1989-02-14
4781146 Aerosol testing chamber for experimental animals 1988-11-01
4732592 Portable clean air facility 1988-03-22
4622771 Communication display device 1986-11-18
4528941 Free-standing environmental chambers supported by plenum 1985-07-16