Michael Andrew Calvert

📍 Blackburn, GB: #28 of 184 inventorsTop 20%

Overall (All Time): #1,489,026 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
9576458	Aspirating smoke detectors	—	2017-02-21
5191808	Actuator end stop arrangement	—	1993-03-09
4883262	Device containing a force-imparting means and equipped with safety means	—	1989-11-28