Something

<table>
 <tr>

  {foreach from=$inventory_list_keys item=key}
   <td>
    {$key}
   </td>
  {/foreach}

 </tr>

 {foreach from=$inventory_list item=item}
  <tr>
   {foreach from=$item key=key item=element}
    <td>
     {if $key == "inventory_uid"}
      <a href="?command=ScreenItem&inventory_uid={$element}">{$element}</a>
     {else}
      {$element}
     {/if}
    </td>
   {/foreach}
  </tr>
 {/foreach}

</table>