WAYNE AARON DYKSTRA
Pilots at Eastridge Dr, Billings, MT
License number
Montana A0520112
Category
Airmen
Type
Authorized Aircraft Instructor
Address
Address
2547 Eastridge Dr, Billings, MT 59102
Professional information
Security Cover For Ventilation Duct
US Patent:
2003010, Jun 5, 2003
Filed:
Nov 22, 2002
Appl. No.:
10/303319
Inventors:
Steven Marts - Billings MT, US
Wayne Dykstra - Billings MT, US
Wayne Dykstra - Billings MT, US
International Classification:
F24F013/20
US Classification:
454/368000
Abstract:
An apparatus for covering a vent that prevents material, either solid, liquid or gaseous from entering the vent. A plurality of baffles forms an annular space that provides a tortuous path for materials entering or leaving the vent. An alarm system may be added to the apparatus to alert/warn of tampering.
Hatch Cover Security System
US Patent:
2005011, May 26, 2005
Filed:
Nov 10, 2004
Appl. No.:
10/985770
Inventors:
Wayne Dykstra - Billings MT, US
International Classification:
E05C019/18
US Classification:
292260000
Abstract:
A hatch cover security system is described having two supports coupled to the structure, substantially diametrically opposite each other across the hatch opening. A restraining rail is adapted to be received by the supports and crosses the hatch cover. The restraining rail is adjustably coupled to the supports. The bar further includes a shield which covers a locking device.