HP-41 Patent Number


Does anybody know what is the HP-41 patent number?

Possibly Related Threads...
Thread Author Replies Views Last Post
  HP-41(CL): The easiest way to transfer FOCAL programs from a Linux PC to the HP-41 Geir Isene 13 2,468 12-05-2013, 02:40 AM
Last Post: Hans Brueggemann
  A fast Bernoulli Number method for the HP Prime Namir 16 2,205 11-22-2013, 04:46 PM
Last Post: Namir
  [HP Prime] Calculating Prandtl Number with Units (bug found in USIMPLIFY) Timothy Roche 1 576 11-13-2013, 04:07 PM
Last Post: cyrille de Brébisson
  HP Prime: Converting number to Sci notation and back BruceTTT 1 571 11-12-2013, 02:11 AM
Last Post: Phil Wipf
  HP PRIME: Fixed 4 number format 0.001000 Joseph Ec 18 2,347 11-07-2013, 11:51 AM
Last Post: Geoff Quickfall
  HP Prime: Number of external Variables Davi Ribeiro de Oliveira 0 439 11-01-2013, 08:10 PM
Last Post: Davi Ribeiro de Oliveira
  Oldest HP 41c aka earliest Serial Number Gene Wright 23 2,653 09-05-2013, 03:45 AM
Last Post: Geoff Quickfall
  Maximum number of program steps in HP-42S, 33S, and 35S? Walter B 3 736 12-18-2012, 03:44 PM
Last Post: Eric Smith
  HP 9826A HPL ROM board part number David Ramsey 2 560 12-17-2011, 10:12 PM
Last Post: David Ramsey
  About squaring a number on my HP... Michel Beaulieu 31 2,832 12-09-2010, 10:40 PM
Last Post: Gerson W. Barbosa

Forum Jump: