SG

Steven C. Griffis

📍 Council Bluffs, IA: #2 of 105 inventorsTop 2%
🗺 Iowa: #771 of 15,303 inventorsTop 6%
Overall (All Time): #280,931 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
5032328 Method for casting friable asbestos-containing material into a non-friable mass 1991-07-16
5003794 Method and means for laundering contaminated clothing 1991-04-02
4993272 Air sampler 1991-02-19
4985057 Supplied air respirator system 1991-01-15
4964899 Apparatus for transporting a person from a contaminated area to a decontamination facility 1990-10-23
4955410 Method and means for replacing a malfunctioning air filtration unit 1990-09-11
4883512 Portable isolation enclosure 1989-11-28
4865634 Multiple location negative air pressure monitor 1989-09-12
4860599 Apparatus for sampling hazardous materials 1989-08-29
4859221 Method and means for replacing a malfunctioning air filtration unit 1989-08-22
4826514 Apparatus for dampening hazardous material 1989-05-02
4820319 Remote control and monitor means 1989-04-11
4813984 Self-contained air monitoring unit with agitated air capability 1989-03-21
4804391 Means for sampling the exhaust air of an air filtration unit 1989-02-14
4793836 Remote control for an air filtration system 1988-12-27
4786296 Apparatus for use in asbestos removal 1988-11-22
4750922 Remote control for an air filtration system 1988-06-14