Robert Hendrick Madsen

US Patent:

63177587, Nov 13, 2001

Filed:

Feb 20, 1998

Appl. No.:

9/026703

Inventors:

Robert C. Madsen - Orem UT
Daren A. Thayne - Orem UT
Gary L. Gibb - Lindon UT

Assignee:

Corel Corporation - Ottawa

International Classification:

G06F 1500

US Classification:

707504

Abstract:

In a computer implemented spreadsheet, a method for detecting and selectively correcting cell reference errors after a cell is copied includes identifying at least one destination cell containing a formula with a reference error; and converting the address of at least one reference in the formula of the at least one destination cell from a relative address to an absolute address. A system for carrying out the claimed method includes a spreadsheet application module, a cell module, an error detection and correction module, a user dialog module, a dependency display module, a fix memory, and a rejection memory.

US Patent:

55971407, Jan 28, 1997

Filed:

Jan 12, 1995

Appl. No.:

8/372066

Inventors:

Robert C. Madsen - Murray UT

International Classification:

B64D 1500
B64D 1512

US Classification:

244134R

Abstract:

An apparatus for deicing an aircraft is defined by an insulated shelter being a size capable of enclosing an aircraft. The shelter is positioned on a deicing surface that absorbs heat from means such as electrical filaments or heated pipes within the deicing surface or through the application of infrared radiation onto the deicing surface. In turn, the deicing surface radiates heat into the air within the shelter. Once an aircraft is enclosed within the shelter, infrared radiation is applied to a portion of the exterior surface of the aircraft. The combination of the infrared radiation and the heat radiating from the deicing surface rapidly deices and substantially dries the exterior surface of the aircraft. The exterior of the aircraft is subsequently heated to a sufficiently high temperature that ice will not reform on the aircraft prior to take off.