1
Blackwood Thomas, Govan Kenneth Mcintosh, Wilkie Jacqueline, Deacon Alastair Mcdonald, Grant Andrew Douglas, Stickland Matthew Thomas: Respiratory protective device.. Msa Britain, October 26, 1994: EP0621056-A1 (18 worldwide citation)

There is disclosed a respiratory protective device, and a related powered filtering device. Known devices, suffer from a number of problems, such as liability to failure, overworking and lack of fault indication. Accordingly, one aspect of the present invention provides a respiratory protective devi ...


2
Blackwood Thomas, Govan Kenneth Mckintosh, Wilkie Jacqueline, Deacon Alistair Macdonald, Grant Andrew Douglas, Stickland Matthew Thomas: Dispositif de protection respiratoire, Respiratory protective device. Msa, R WILLIAM WRAY & ASSOCIATES, January 6, 1998: CA2121157

There is disclosed a respiratory protective device, and a related powered filtering device. Known devices, suffer from a number of problems, such as liability to failure, overworking and lack of fault indication. Accordingly, one aspect of the present invention provides a respiratory protective devi ...