Resources Contact Us Home
Acker; Donald J.
Elkhart, IN
No. of patents:

Patent Number Title Of Patent Date Issued
4292698 Convertible sofa-bed with back restraining mechanism October 6, 1981
A convertible sofa-bed unit for a vehicle in which a back section is mounted on a seat section and is moveable from an upright position near the rear of the seat section to a horizontal position in front of the seat section, and a device is provided for preventing the movement of said ba
4110855 Convertible sofa-bed unit September 5, 1978
A convertible sofa-bed unit in which the back is moved from a substantially vertical position along the rear of the seat section to a horizontal position along the forward edge of the seat, and substantially on a plane therewith. The back is held in the two positions by a mechanism at ea

  Recently Added Patents
Automated difference recognition between speaking sounds and music
Deposited conductive layers for leads of implantable electric stimulation systems and methods of making and using
Calibration of quadrature imbalances using wideband signals
Controlling ring-back tone output prior to a communication connection in mobile terminal
Auto-provisioning of network services over an Ethernet access link
Bandpass filter and radio communication module and radio communication device using the same
Representing polarized light in computer models
  Randomly Featured Patents
Outside power source-type, electrical, corrosion protection
Active matrix vacuum fluorescent display with microprocessor integration
Method and system for data retrieval
Circuit and method for determining the phase angle of a complex electrical signal
Polymers derived from unsaturated surfactants for use in ink-jet inks
Wall mounted sliding block puzzle
Security lock for sliding doors
Rubber composition containing a polymaleimide compound
Main body of a pneumatic screwdriver
Fuel assembly